254079

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 434720

約数和(自身を除く): 180641

約数列:

[1, 3, 7, 9, 21, 37, 63, 109, 111, 259, 327, 333, 763, 777, 981, 2289, 2331, 4033, 6867, 12099, 28231, 36297, 84693, 254079]

約数ペア:

[(1, 254079), (3, 84693), (7, 36297), (9, 28231), (21, 12099), (37, 6867), (63, 4033), (109, 2331), (111, 2289), (259, 981), (327, 777), (333, 763)]