31630905

素因数分解:

$3^4\times 5^1\times {\mathrm{78101}}^1$

素因数の和:78118

約数の個数: 20

約数和(自身を含む): 56702052

約数和(自身を除く): 25071147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 78101, 234303, 390505, 702909, 1171515, 2108727, 3514545, 6326181, 10543635, 31630905]

約数ペア:

[(1, 31630905), (3, 10543635), (5, 6326181), (9, 3514545), (15, 2108727), (27, 1171515), (45, 702909), (81, 390505), (135, 234303), (405, 78101)]