31871205

素因数分解:

$3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{769}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 56918400

約数和(自身を除く): 25047195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 307, 769, 921, 1535, 2307, 2763, 3845, 4605, 6921, 8289, 11535, 13815, 20763, 34605, 41445, 103815, 236083, 708249, 1180415, 2124747, 3541245, 6374241, 10623735, 31871205]

約数ペア:

[(1, 31871205), (3, 10623735), (5, 6374241), (9, 3541245), (15, 2124747), (27, 1180415), (45, 708249), (135, 236083), (307, 103815), (769, 41445), (921, 34605), (1535, 20763), (2307, 13815), (2763, 11535), (3845, 8289), (4605, 6921)]