16972875

素因数分解:

$3^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 15375285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 107, 125, 135, 141, 225, 235, 321, 375, 423, 535, 675, 705, 963, 1125, 1175, 1269, 1605, 2115, 2675, 2889, 3375, 3525, 4815, 5029, 5875, 6345, 8025, 10575, 13375, 14445, 15087, 17625, 24075, 25145, 31725, 40125, 45261, 52875, 72225, 75435, 120375, 125725, 135783, 158625, 226305, 361125, 377175, 628625, 678915, 1131525, 1885875, 3394575, 5657625, 16972875]

約数ペア:

[(1, 16972875), (3, 5657625), (5, 3394575), (9, 1885875), (15, 1131525), (25, 678915), (27, 628625), (45, 377175), (47, 361125), (75, 226305), (107, 158625), (125, 135783), (135, 125725), (141, 120375), (225, 75435), (235, 72225), (321, 52875), (375, 45261), (423, 40125), (535, 31725), (675, 25145), (705, 24075), (963, 17625), (1125, 15087), (1175, 14445), (1269, 13375), (1605, 10575), (2115, 8025), (2675, 6345), (2889, 5875), (3375, 5029), (3525, 4815)]