6721975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 9485256

約数和(自身を除く): 2763281

約数列:

[1, 5, 13, 25, 37, 43, 65, 169, 185, 215, 325, 481, 559, 845, 925, 1075, 1591, 2405, 2795, 4225, 6253, 7267, 7955, 12025, 13975, 20683, 31265, 36335, 39775, 103415, 156325, 181675, 268879, 517075, 1344395, 6721975]

約数ペア:

[(1, 6721975), (5, 1344395), (13, 517075), (25, 268879), (37, 181675), (43, 156325), (65, 103415), (169, 39775), (185, 36335), (215, 31265), (325, 20683), (481, 13975), (559, 12025), (845, 7955), (925, 7267), (1075, 6253), (1591, 4225), (2405, 2795)]