290988033

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{195163}}^1$

素因数の和:195244

約数の個数: 16

約数和(自身を含む): 449657856

約数和(自身を除く): 158669823

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 195163, 585489, 1366141, 4098423, 13856573, 41569719, 96996011, 290988033]

約数ペア:

[(1, 290988033), (3, 96996011), (7, 41569719), (21, 13856573), (71, 4098423), (213, 1366141), (497, 585489), (1491, 195163)]