245195145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 481572000

約数和(自身を除く): 236376855

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 97, 117, 145, 149, 195, 261, 291, 377, 435, 447, 485, 585, 745, 873, 1131, 1261, 1305, 1341, 1455, 1885, 1937, 2235, 2813, 3393, 3783, 4321, 4365, 5655, 5811, 6305, 6705, 8439, 9685, 11349, 12963, 14065, 14453, 16965, 17433, 18915, 21605, 25317, 29055, 36569, 38889, 42195, 43359, 56173, 56745, 64815, 72265, 87165, 109707, 126585, 130077, 168519, 182845, 187889, 194445, 216795, 280865, 329121, 419137, 505557, 548535, 563667, 650385, 842595, 939445, 1257411, 1645605, 1691001, 2095685, 2527785, 2818335, 3772233, 5448781, 6287055, 8455005, 16346343, 18861165, 27243905, 49039029, 81731715, 245195145]

約数ペア:

[(1, 245195145), (3, 81731715), (5, 49039029), (9, 27243905), (13, 18861165), (15, 16346343), (29, 8455005), (39, 6287055), (45, 5448781), (65, 3772233), (87, 2818335), (97, 2527785), (117, 2095685), (145, 1691001), (149, 1645605), (195, 1257411), (261, 939445), (291, 842595), (377, 650385), (435, 563667), (447, 548535), (485, 505557), (585, 419137), (745, 329121), (873, 280865), (1131, 216795), (1261, 194445), (1305, 187889), (1341, 182845), (1455, 168519), (1885, 130077), (1937, 126585), (2235, 109707), (2813, 87165), (3393, 72265), (3783, 64815), (4321, 56745), (4365, 56173), (5655, 43359), (5811, 42195), (6305, 38889), (6705, 36569), (8439, 29055), (9685, 25317), (11349, 21605), (12963, 18915), (14065, 17433), (14453, 16965)]