13621265

素因数分解:

$5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 19391400

約数和(自身を除く): 5770135

約数列:

[1, 5, 7, 35, 49, 53, 245, 265, 371, 1049, 1855, 2597, 5245, 7343, 12985, 36715, 51401, 55597, 257005, 277985, 389179, 1945895, 2724253, 13621265]

約数ペア:

[(1, 13621265), (5, 2724253), (7, 1945895), (35, 389179), (49, 277985), (53, 257005), (245, 55597), (265, 51401), (371, 36715), (1049, 12985), (1855, 7343), (2597, 5245)]