27686131

素因数分解:

${\mathrm{11}}^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 20

約数和(自身を含む): 31952320

約数和(自身を除く): 4266189

約数列:

[1, 11, 31, 61, 121, 341, 671, 1331, 1891, 3751, 7381, 14641, 20801, 41261, 81191, 228811, 453871, 893101, 2516921, 27686131]

約数ペア:

[(1, 27686131), (11, 2516921), (31, 893101), (61, 453871), (121, 228811), (341, 81191), (671, 41261), (1331, 20801), (1891, 14641), (3751, 7381)]