218368731

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{60107}}^1$

素因数の和:60290

約数の個数: 16

約数和(自身を含む): 334681344

約数和(自身を除く): 116312613

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 60107, 180321, 420749, 1262247, 10398511, 31195533, 72789577, 218368731]

約数ペア:

[(1, 218368731), (3, 72789577), (7, 31195533), (21, 10398511), (173, 1262247), (519, 420749), (1211, 180321), (3633, 60107)]