261570285

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{200437}}^1$

素因数の和:200477

約数の個数: 24

約数和(自身を含む): 469024920

約数和(自身を除く): 207454635

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 200437, 601311, 1002185, 1803933, 3006555, 5812673, 9019665, 17438019, 29063365, 52314057, 87190095, 261570285]

約数ペア:

[(1, 261570285), (3, 87190095), (5, 52314057), (9, 29063365), (15, 17438019), (29, 9019665), (45, 5812673), (87, 3006555), (145, 1803933), (261, 1002185), (435, 601311), (1305, 200437)]