3217221

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 5358080

約数和(自身を除く): 2140859

約数列:

[1, 3, 7, 9, 21, 63, 223, 229, 669, 687, 1561, 1603, 2007, 2061, 4683, 4809, 14049, 14427, 51067, 153201, 357469, 459603, 1072407, 3217221]

約数ペア:

[(1, 3217221), (3, 1072407), (7, 459603), (9, 357469), (21, 153201), (63, 51067), (223, 14427), (229, 14049), (669, 4809), (687, 4683), (1561, 2061), (1603, 2007)]