137310985

素因数分解:

$5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{2131}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 192494016

約数和(自身を除く): 55183031

約数列:

[1, 5, 7, 35, 49, 245, 263, 1315, 1841, 2131, 9205, 10655, 12887, 14917, 64435, 74585, 104419, 522095, 560453, 2802265, 3923171, 19615855, 27462197, 137310985]

約数ペア:

[(1, 137310985), (5, 27462197), (7, 19615855), (35, 3923171), (49, 2802265), (245, 560453), (263, 522095), (1315, 104419), (1841, 74585), (2131, 64435), (9205, 14917), (10655, 12887)]