138486375

素因数分解:

$3^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 263203200

約数和(自身を除く): 124716825

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 125, 135, 185, 225, 333, 375, 555, 675, 925, 999, 1109, 1125, 1665, 2775, 3327, 3375, 4625, 4995, 5545, 8325, 9981, 13875, 16635, 24975, 27725, 29943, 41033, 41625, 49905, 83175, 123099, 124875, 138625, 149715, 205165, 249525, 369297, 415875, 615495, 748575, 1025825, 1107891, 1247625, 1846485, 3077475, 3742875, 5129125, 5539455, 9232425, 15387375, 27697275, 46162125, 138486375]

約数ペア:

[(1, 138486375), (3, 46162125), (5, 27697275), (9, 15387375), (15, 9232425), (25, 5539455), (27, 5129125), (37, 3742875), (45, 3077475), (75, 1846485), (111, 1247625), (125, 1107891), (135, 1025825), (185, 748575), (225, 615495), (333, 415875), (375, 369297), (555, 249525), (675, 205165), (925, 149715), (999, 138625), (1109, 124875), (1125, 123099), (1665, 83175), (2775, 49905), (3327, 41625), (3375, 41033), (4625, 29943), (4995, 27725), (5545, 24975), (8325, 16635), (9981, 13875)]