289901241

素因数分解:

$3^3\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1637}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 491662080

約数和(自身を除く): 201760839

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 937, 1637, 2811, 4911, 6559, 8433, 11459, 14733, 19677, 25299, 34377, 44199, 59031, 103131, 177093, 309393, 1533869, 4601607, 10737083, 13804821, 32211249, 41414463, 96633747, 289901241]

約数ペア:

[(1, 289901241), (3, 96633747), (7, 41414463), (9, 32211249), (21, 13804821), (27, 10737083), (63, 4601607), (189, 1533869), (937, 309393), (1637, 177093), (2811, 103131), (4911, 59031), (6559, 44199), (8433, 34377), (11459, 25299), (14733, 19677)]