201438909

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{23339}}^1$

素因数の和:23489

約数の個数: 24

約数和(自身を含む): 334975680

約数和(自身を除く): 133536771

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 23339, 70017, 163373, 210051, 490119, 1470357, 3197443, 9592329, 22382101, 28776987, 67146303, 201438909]

約数ペア:

[(1, 201438909), (3, 67146303), (7, 28776987), (9, 22382101), (21, 9592329), (63, 3197443), (137, 1470357), (411, 490119), (959, 210051), (1233, 163373), (2877, 70017), (8631, 23339)]