127212981

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{13799}}^1$

素因数の和:14248

約数の個数: 16

約数和(自身を含む): 194304000

約数和(自身を除く): 67091019

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 13799, 41397, 96593, 289779, 6057761, 18173283, 42404327, 127212981]

約数ペア:

[(1, 127212981), (3, 42404327), (7, 18173283), (21, 6057761), (439, 289779), (1317, 96593), (3073, 41397), (9219, 13799)]