70997373

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 104884416

約数和(自身を除く): 33887043

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 811, 1233, 2433, 7299, 9727, 29181, 57581, 87543, 111107, 172743, 333321, 518229, 999963, 7888597, 23665791, 70997373]

約数ペア:

[(1, 70997373), (3, 23665791), (9, 7888597), (71, 999963), (137, 518229), (213, 333321), (411, 172743), (639, 111107), (811, 87543), (1233, 57581), (2433, 29181), (7299, 9727)]