25949217

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 41140224

約数和(自身を除く): 15191007

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 431, 987, 1281, 1293, 2867, 3017, 8601, 9051, 20069, 20257, 26291, 60207, 60771, 78873, 141799, 184037, 425397, 552111, 1235677, 3707031, 8649739, 25949217]

約数ペア:

[(1, 25949217), (3, 8649739), (7, 3707031), (21, 1235677), (47, 552111), (61, 425397), (141, 184037), (183, 141799), (329, 78873), (427, 60771), (431, 60207), (987, 26291), (1281, 20257), (1293, 20069), (2867, 9051), (3017, 8601)]