308927475

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 571963392

約数和(自身を除く): 263035917

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 131, 141, 223, 225, 235, 393, 423, 655, 669, 705, 1115, 1175, 1179, 1965, 2007, 2115, 3275, 3345, 3525, 5575, 5895, 6157, 9825, 10035, 10481, 10575, 16725, 18471, 29213, 29475, 30785, 31443, 50175, 52405, 55413, 87639, 92355, 94329, 146065, 153925, 157215, 262025, 262917, 277065, 438195, 461775, 471645, 730325, 786075, 1314585, 1373011, 1385325, 2190975, 2358225, 4119033, 6572925, 6865055, 12357099, 20595165, 34325275, 61785495, 102975825, 308927475]

約数ペア:

[(1, 308927475), (3, 102975825), (5, 61785495), (9, 34325275), (15, 20595165), (25, 12357099), (45, 6865055), (47, 6572925), (75, 4119033), (131, 2358225), (141, 2190975), (223, 1385325), (225, 1373011), (235, 1314585), (393, 786075), (423, 730325), (655, 471645), (669, 461775), (705, 438195), (1115, 277065), (1175, 262917), (1179, 262025), (1965, 157215), (2007, 153925), (2115, 146065), (3275, 94329), (3345, 92355), (3525, 87639), (5575, 55413), (5895, 52405), (6157, 50175), (9825, 31443), (10035, 30785), (10481, 29475), (10575, 29213), (16725, 18471)]