27705405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20325

約数の個数: 32

約数和(自身を含む): 54561024

約数和(自身を除く): 26855619

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20297, 60891, 101485, 142079, 263861, 304455, 426237, 710395, 791583, 1319305, 1847027, 2131185, 3957915, 5541081, 9235135, 27705405]

約数ペア:

[(1, 27705405), (3, 9235135), (5, 5541081), (7, 3957915), (13, 2131185), (15, 1847027), (21, 1319305), (35, 791583), (39, 710395), (65, 426237), (91, 304455), (105, 263861), (195, 142079), (273, 101485), (455, 60891), (1365, 20297)]