31142475

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{13}}^3$

素因数の和:68

約数の個数: 120

約数和(自身を含む): 71419040

約数和(自身を除く): 40276565

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 91, 105, 117, 135, 169, 175, 189, 195, 225, 273, 315, 325, 351, 405, 455, 507, 525, 567, 585, 675, 819, 845, 945, 975, 1053, 1183, 1365, 1521, 1575, 1755, 2025, 2197, 2275, 2457, 2535, 2835, 2925, 3549, 4095, 4225, 4563, 4725, 5265, 5915, 6591, 6825, 7371, 7605, 8775, 10647, 10985, 12285, 12675, 13689, 14175, 15379, 17745, 19773, 20475, 22815, 26325, 29575, 31941, 32955, 36855, 38025, 46137, 53235, 54925, 59319, 61425, 68445, 76895, 88725, 95823, 98865, 114075, 138411, 159705, 164775, 177957, 184275, 230685, 266175, 296595, 342225, 384475, 415233, 479115, 494325, 692055, 798525, 889785, 1153425, 1245699, 1482975, 2076165, 2395575, 3460275, 4448925, 6228495, 10380825, 31142475]

約数ペア:

[(1, 31142475), (3, 10380825), (5, 6228495), (7, 4448925), (9, 3460275), (13, 2395575), (15, 2076165), (21, 1482975), (25, 1245699), (27, 1153425), (35, 889785), (39, 798525), (45, 692055), (63, 494325), (65, 479115), (75, 415233), (81, 384475), (91, 342225), (105, 296595), (117, 266175), (135, 230685), (169, 184275), (175, 177957), (189, 164775), (195, 159705), (225, 138411), (273, 114075), (315, 98865), (325, 95823), (351, 88725), (405, 76895), (455, 68445), (507, 61425), (525, 59319), (567, 54925), (585, 53235), (675, 46137), (819, 38025), (845, 36855), (945, 32955), (975, 31941), (1053, 29575), (1183, 26325), (1365, 22815), (1521, 20475), (1575, 19773), (1755, 17745), (2025, 15379), (2197, 14175), (2275, 13689), (2457, 12675), (2535, 12285), (2835, 10985), (2925, 10647), (3549, 8775), (4095, 7605), (4225, 7371), (4563, 6825), (4725, 6591), (5265, 5915)]