67725007

素因数分解:

$7^4\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 20

約数和(自身を含む): 80377496

約数和(自身を除く): 12652489

約数列:

[1, 7, 49, 67, 343, 421, 469, 2401, 2947, 3283, 20629, 22981, 28207, 144403, 160867, 197449, 1010821, 1382143, 9675001, 67725007]

約数ペア:

[(1, 67725007), (7, 9675001), (49, 1382143), (67, 1010821), (343, 197449), (421, 160867), (469, 144403), (2401, 28207), (2947, 22981), (3283, 20629)]