215588163

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{144593}}^1$

素因数の和:144674

約数の個数: 16

約数和(自身を含む): 333144576

約数和(自身を除く): 117556413

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 144593, 433779, 1012151, 3036453, 10266103, 30798309, 71862721, 215588163]

約数ペア:

[(1, 215588163), (3, 71862721), (7, 30798309), (21, 10266103), (71, 3036453), (213, 1012151), (497, 433779), (1491, 144593)]