81325741

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 100363776

約数和(自身を除く): 19038035

約数列:

[1, 7, 31, 37, 49, 217, 259, 1147, 1447, 1519, 1813, 8029, 10129, 44857, 53539, 56203, 70903, 313999, 374773, 1659709, 2197993, 2623411, 11617963, 81325741]

約数ペア:

[(1, 81325741), (7, 11617963), (31, 2623411), (37, 2197993), (49, 1659709), (217, 374773), (259, 313999), (1147, 70903), (1447, 56203), (1519, 53539), (1813, 44857), (8029, 10129)]