31530961

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 41068800

約数和(自身を除く): 9537839

約数列:

[1, 7, 11, 49, 61, 77, 137, 343, 427, 539, 671, 959, 1507, 2989, 3773, 4697, 6713, 8357, 10549, 20923, 32879, 46991, 58499, 73843, 91927, 230153, 409493, 516901, 643489, 2866451, 4504423, 31530961]

約数ペア:

[(1, 31530961), (7, 4504423), (11, 2866451), (49, 643489), (61, 516901), (77, 409493), (137, 230153), (343, 91927), (427, 73843), (539, 58499), (671, 46991), (959, 32879), (1507, 20923), (2989, 10549), (3773, 8357), (4697, 6713)]