165784275

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 309426624

約数和(自身を除く): 143642349

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 61, 75, 141, 183, 225, 235, 257, 305, 423, 549, 705, 771, 915, 1175, 1285, 1525, 2115, 2313, 2745, 2867, 3525, 3855, 4575, 6425, 8601, 10575, 11565, 12079, 13725, 14335, 15677, 19275, 25803, 36237, 43005, 47031, 57825, 60395, 71675, 78385, 108711, 129015, 141093, 181185, 215025, 235155, 301975, 391925, 543555, 645075, 705465, 736819, 905925, 1175775, 2210457, 2717775, 3527325, 3684095, 6631371, 11052285, 18420475, 33156855, 55261425, 165784275]

約数ペア:

[(1, 165784275), (3, 55261425), (5, 33156855), (9, 18420475), (15, 11052285), (25, 6631371), (45, 3684095), (47, 3527325), (61, 2717775), (75, 2210457), (141, 1175775), (183, 905925), (225, 736819), (235, 705465), (257, 645075), (305, 543555), (423, 391925), (549, 301975), (705, 235155), (771, 215025), (915, 181185), (1175, 141093), (1285, 129015), (1525, 108711), (2115, 78385), (2313, 71675), (2745, 60395), (2867, 57825), (3525, 47031), (3855, 43005), (4575, 36237), (6425, 25803), (8601, 19275), (10575, 15677), (11565, 14335), (12079, 13725)]