31745925

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 60

約数和(自身を含む): 60000996

約数和(自身を除く): 28255071

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 257, 305, 405, 549, 675, 771, 915, 1285, 1525, 1647, 2025, 2313, 2745, 3855, 4575, 4941, 6425, 6939, 8235, 11565, 13725, 15677, 19275, 20817, 24705, 34695, 41175, 47031, 57825, 78385, 104085, 123525, 141093, 173475, 235155, 391925, 423279, 520425, 705465, 1175775, 1269837, 2116395, 3527325, 6349185, 10581975, 31745925]

約数ペア:

[(1, 31745925), (3, 10581975), (5, 6349185), (9, 3527325), (15, 2116395), (25, 1269837), (27, 1175775), (45, 705465), (61, 520425), (75, 423279), (81, 391925), (135, 235155), (183, 173475), (225, 141093), (257, 123525), (305, 104085), (405, 78385), (549, 57825), (675, 47031), (771, 41175), (915, 34695), (1285, 24705), (1525, 20817), (1647, 19275), (2025, 15677), (2313, 13725), (2745, 11565), (3855, 8235), (4575, 6939), (4941, 6425)]