520040157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{7243}}^1$

素因数の和:7529

約数の個数: 32

約数和(自身を含む): 856762368

約数和(自身を除く): 336722211

約数列:

[1, 3, 7, 13, 21, 39, 91, 263, 273, 789, 1841, 3419, 5523, 7243, 10257, 21729, 23933, 50701, 71799, 94159, 152103, 282477, 659113, 1904909, 1977339, 5714727, 13334363, 24763817, 40003089, 74291451, 173346719, 520040157]

約数ペア:

[(1, 520040157), (3, 173346719), (7, 74291451), (13, 40003089), (21, 24763817), (39, 13334363), (91, 5714727), (263, 1977339), (273, 1904909), (789, 659113), (1841, 282477), (3419, 152103), (5523, 94159), (7243, 71799), (10257, 50701), (21729, 23933)]