9917235

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 18190656

約数和(自身を除く): 8273421

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 521, 705, 1269, 1563, 2115, 2605, 3807, 4689, 6345, 7815, 14067, 19035, 23445, 24487, 42201, 70335, 73461, 122435, 211005, 220383, 367305, 661149, 1101915, 1983447, 3305745, 9917235]

約数ペア:

[(1, 9917235), (3, 3305745), (5, 1983447), (9, 1101915), (15, 661149), (27, 367305), (45, 220383), (47, 211005), (81, 122435), (135, 73461), (141, 70335), (235, 42201), (405, 24487), (423, 23445), (521, 19035), (705, 14067), (1269, 7815), (1563, 6345), (2115, 4689), (2605, 3807)]