68641405

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{9661}}^1$

素因数の和:9709

約数の個数: 24

約数和(自身を含む): 99132120

約数和(自身を除く): 30490715

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 9661, 48305, 67627, 280169, 338135, 473389, 1400845, 1961183, 2366945, 9805915, 13728281, 68641405]

約数ペア:

[(1, 68641405), (5, 13728281), (7, 9805915), (29, 2366945), (35, 1961183), (49, 1400845), (145, 473389), (203, 338135), (245, 280169), (1015, 67627), (1421, 48305), (7105, 9661)]