6490125

素因数分解:

$3^4\times 5^3\times {\mathrm{641}}^1$

素因数の和:668

約数の個数: 40

約数和(自身を含む): 12118392

約数和(自身を除く): 5628267

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 641, 675, 1125, 1923, 2025, 3205, 3375, 5769, 9615, 10125, 16025, 17307, 28845, 48075, 51921, 80125, 86535, 144225, 240375, 259605, 432675, 721125, 1298025, 2163375, 6490125]

約数ペア:

[(1, 6490125), (3, 2163375), (5, 1298025), (9, 721125), (15, 432675), (25, 259605), (27, 240375), (45, 144225), (75, 86535), (81, 80125), (125, 51921), (135, 48075), (225, 28845), (375, 17307), (405, 16025), (641, 10125), (675, 9615), (1125, 5769), (1923, 3375), (2025, 3205)]