7315425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 14691768

約数和(自身を除く): 7376343

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 41, 45, 61, 65, 75, 117, 123, 183, 195, 205, 225, 305, 325, 369, 533, 549, 585, 615, 793, 915, 975, 1025, 1525, 1599, 1845, 2379, 2501, 2665, 2745, 2925, 3075, 3965, 4575, 4797, 7137, 7503, 7995, 9225, 11895, 12505, 13325, 13725, 19825, 22509, 23985, 32513, 35685, 37515, 39975, 59475, 62525, 97539, 112545, 119925, 162565, 178425, 187575, 292617, 487695, 562725, 812825, 1463085, 2438475, 7315425]

約数ペア:

[(1, 7315425), (3, 2438475), (5, 1463085), (9, 812825), (13, 562725), (15, 487695), (25, 292617), (39, 187575), (41, 178425), (45, 162565), (61, 119925), (65, 112545), (75, 97539), (117, 62525), (123, 59475), (183, 39975), (195, 37515), (205, 35685), (225, 32513), (305, 23985), (325, 22509), (369, 19825), (533, 13725), (549, 13325), (585, 12505), (615, 11895), (793, 9225), (915, 7995), (975, 7503), (1025, 7137), (1525, 4797), (1599, 4575), (1845, 3965), (2379, 3075), (2501, 2925), (2665, 2745)]