72979865

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 102654720

約数和(自身を除く): 29674855

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 973, 2143, 4865, 6811, 10715, 15001, 34055, 75005, 105007, 297877, 525035, 1489385, 2085139, 10425695, 14595973, 72979865]

約数ペア:

[(1, 72979865), (5, 14595973), (7, 10425695), (35, 2085139), (49, 1489385), (139, 525035), (245, 297877), (695, 105007), (973, 75005), (2143, 34055), (4865, 15001), (6811, 10715)]