31383045

素因数分解:

$3^4\times 5^1\times {\mathrm{77489}}^1$

素因数の和:77506

約数の個数: 20

約数和(自身を含む): 56257740

約数和(自身を除く): 24874695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 77489, 232467, 387445, 697401, 1162335, 2092203, 3487005, 6276609, 10461015, 31383045]

約数ペア:

[(1, 31383045), (3, 10461015), (5, 6276609), (9, 3487005), (15, 2092203), (27, 1162335), (45, 697401), (81, 387445), (135, 232467), (405, 77489)]