31303797

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3491}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 49362912

約数和(自身を除く): 18059115

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 3491, 8967, 10473, 24437, 73311, 171059, 212951, 513177, 638853, 1490657, 4471971, 10434599, 31303797]

約数ペア:

[(1, 31303797), (3, 10434599), (7, 4471971), (21, 1490657), (49, 638853), (61, 513177), (147, 212951), (183, 171059), (427, 73311), (1281, 24437), (2989, 10473), (3491, 8967)]