380881431

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{147457}}^1$

素因数の和:147511

約数の個数: 24

約数和(自身を含む): 644096544

約数和(自身を除く): 263215113

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 147457, 442371, 1032199, 1327113, 3096597, 6045737, 9289791, 18137211, 42320159, 54411633, 126960477, 380881431]

約数ペア:

[(1, 380881431), (3, 126960477), (7, 54411633), (9, 42320159), (21, 18137211), (41, 9289791), (63, 6045737), (123, 3096597), (287, 1327113), (369, 1032199), (861, 442371), (2583, 147457)]