724583925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 1477572096

約数和(自身を除く): 752988171

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 61, 65, 75, 93, 117, 131, 155, 183, 195, 225, 279, 305, 325, 393, 403, 465, 549, 585, 655, 775, 793, 915, 975, 1179, 1209, 1395, 1525, 1703, 1891, 1965, 2015, 2325, 2379, 2745, 2925, 3275, 3627, 3965, 4061, 4575, 5109, 5673, 5895, 6045, 6975, 7137, 7991, 8515, 9455, 9825, 10075, 11895, 12183, 13725, 15327, 17019, 18135, 19825, 20305, 23973, 24583, 25545, 28365, 29475, 30225, 35685, 36549, 39955, 42575, 47275, 52793, 59475, 60915, 71919, 73749, 76635, 85095, 90675, 101525, 103883, 119865, 122915, 127725, 141825, 158379, 178425, 182745, 199775, 221247, 247721, 263965, 304575, 311649, 359595, 368745, 383175, 425475, 475137, 519415, 599325, 614575, 743163, 791895, 913725, 934947, 1106235, 1238605, 1319825, 1558245, 1797975, 1843725, 2229489, 2375685, 2597075, 3220373, 3715815, 3959475, 4674735, 5531175, 6193025, 7791225, 9661119, 11147445, 11878425, 16101865, 18579075, 23373675, 28983357, 48305595, 55737225, 80509325, 144916785, 241527975, 724583925]

約数ペア:

[(1, 724583925), (3, 241527975), (5, 144916785), (9, 80509325), (13, 55737225), (15, 48305595), (25, 28983357), (31, 23373675), (39, 18579075), (45, 16101865), (61, 11878425), (65, 11147445), (75, 9661119), (93, 7791225), (117, 6193025), (131, 5531175), (155, 4674735), (183, 3959475), (195, 3715815), (225, 3220373), (279, 2597075), (305, 2375685), (325, 2229489), (393, 1843725), (403, 1797975), (465, 1558245), (549, 1319825), (585, 1238605), (655, 1106235), (775, 934947), (793, 913725), (915, 791895), (975, 743163), (1179, 614575), (1209, 599325), (1395, 519415), (1525, 475137), (1703, 425475), (1891, 383175), (1965, 368745), (2015, 359595), (2325, 311649), (2379, 304575), (2745, 263965), (2925, 247721), (3275, 221247), (3627, 199775), (3965, 182745), (4061, 178425), (4575, 158379), (5109, 141825), (5673, 127725), (5895, 122915), (6045, 119865), (6975, 103883), (7137, 101525), (7991, 90675), (8515, 85095), (9455, 76635), (9825, 73749), (10075, 71919), (11895, 60915), (12183, 59475), (13725, 52793), (15327, 47275), (17019, 42575), (18135, 39955), (19825, 36549), (20305, 35685), (23973, 30225), (24583, 29475), (25545, 28365)]