4900905

素因数分解:

$3^4\times 5^1\times {\mathrm{12101}}^1$

素因数の和:12118

約数の個数: 20

約数和(自身を含む): 8786052

約数和(自身を除く): 3885147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 12101, 36303, 60505, 108909, 181515, 326727, 544545, 980181, 1633635, 4900905]

約数ペア:

[(1, 4900905), (3, 1633635), (5, 980181), (9, 544545), (15, 326727), (27, 181515), (45, 108909), (81, 60505), (135, 36303), (405, 12101)]