31386123

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{2437}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 47921328

約数和(自身を除く): 16535205

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 2437, 4293, 7311, 12879, 21933, 65799, 129161, 197397, 387483, 592191, 1162449, 3487347, 10462041, 31386123]

約数ペア:

[(1, 31386123), (3, 10462041), (9, 3487347), (27, 1162449), (53, 592191), (81, 387483), (159, 197397), (243, 129161), (477, 65799), (1431, 21933), (2437, 12879), (4293, 7311)]