210877455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8711

約数の個数: 32

約数和(自身を含む): 357073920

約数和(自身を除く): 146196465

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 4899, 8165, 8609, 24495, 25827, 43045, 129135, 198007, 594021, 611239, 990035, 1833717, 2970105, 3056195, 9168585, 14058497, 42175491, 70292485, 210877455]

約数ペア:

[(1, 210877455), (3, 70292485), (5, 42175491), (15, 14058497), (23, 9168585), (69, 3056195), (71, 2970105), (115, 1833717), (213, 990035), (345, 611239), (355, 594021), (1065, 198007), (1633, 129135), (4899, 43045), (8165, 25827), (8609, 24495)]