81974599

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{10391}}^1$

素因数の和:10435

約数の個数: 16

約数和(自身を含む): 99763200

約数和(自身を除く): 17788601

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 10391, 72737, 238993, 509159, 1672951, 3564113, 11710657, 81974599]

約数ペア:

[(1, 81974599), (7, 11710657), (23, 3564113), (49, 1672951), (161, 509159), (343, 238993), (1127, 72737), (7889, 10391)]