8357139

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 13933920

約数和(自身を除く): 5576781

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1217, 2289, 3651, 6867, 8519, 10953, 25557, 76671, 132653, 397959, 928571, 1193877, 2785713, 8357139]

約数ペア:

[(1, 8357139), (3, 2785713), (7, 1193877), (9, 928571), (21, 397959), (63, 132653), (109, 76671), (327, 25557), (763, 10953), (981, 8519), (1217, 6867), (2289, 3651)]