218362545

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{12101}}^1$

素因数の和:12513

約数の個数: 24

約数和(自身を含む): 379470312

約数和(自身を除く): 161107767

約数列:

[1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 6015, 12101, 18045, 36303, 60505, 108909, 181515, 544545, 4852501, 14557503, 24262505, 43672509, 72787515, 218362545]

約数ペア:

[(1, 218362545), (3, 72787515), (5, 43672509), (9, 24262505), (15, 14557503), (45, 4852501), (401, 544545), (1203, 181515), (2005, 108909), (3609, 60505), (6015, 36303), (12101, 18045)]