210317282055

素因数分解:

$3^4\times 5^1\times {\mathrm{519301931}}^1$

素因数の和:519301948

約数の個数: 20

約数和(自身を含む): 377013202632

約数和(自身を除く): 166695920577

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 519301931, 1557905793, 2596509655, 4673717379, 7789528965, 14021152137, 23368586895, 42063456411, 70105760685, 210317282055]

約数ペア:

[(1, 210317282055), (3, 70105760685), (5, 42063456411), (9, 23368586895), (15, 14021152137), (27, 7789528965), (45, 4673717379), (81, 2596509655), (135, 1557905793), (405, 519301931)]