161840315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{27361}}^1$

素因数の和:27399

約数の個数: 24

約数和(自身を含む): 240347808

約数和(自身を除く): 78507493

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 5915, 27361, 136805, 191527, 355693, 957635, 1778465, 2489851, 4624009, 12449255, 23120045, 32368063, 161840315]

約数ペア:

[(1, 161840315), (5, 32368063), (7, 23120045), (13, 12449255), (35, 4624009), (65, 2489851), (91, 1778465), (169, 957635), (455, 355693), (845, 191527), (1183, 136805), (5915, 27361)]