31978425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22441}}^1$

素因数の和:22473

約数の個数: 24

約数和(自身を含む): 55656160

約数和(自身を除く): 23677735

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 22441, 67323, 112205, 336615, 426379, 561025, 1279137, 1683075, 2131895, 6395685, 10659475, 31978425]

約数ペア:

[(1, 31978425), (3, 10659475), (5, 6395685), (15, 2131895), (19, 1683075), (25, 1279137), (57, 561025), (75, 426379), (95, 336615), (285, 112205), (475, 67323), (1425, 22441)]