9718989

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 15544320

約数和(自身を除く): 5825331

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 229, 301, 329, 687, 903, 987, 1603, 2021, 4809, 6063, 9847, 10763, 14147, 29541, 32289, 42441, 68929, 75341, 206787, 226023, 462809, 1388427, 3239663, 9718989]

約数ペア:

[(1, 9718989), (3, 3239663), (7, 1388427), (21, 462809), (43, 226023), (47, 206787), (129, 75341), (141, 68929), (229, 42441), (301, 32289), (329, 29541), (687, 14147), (903, 10763), (987, 9847), (1603, 6063), (2021, 4809)]