215307071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1\times {\mathrm{2557}}^1$

素因数の和:3110

約数の個数: 16

約数和(自身を含む): 257355264

約数和(自身を除く): 42048193

約数列:

[1, 7, 23, 161, 523, 2557, 3661, 12029, 17899, 58811, 84203, 411677, 1337311, 9361177, 30758153, 215307071]

約数ペア:

[(1, 215307071), (7, 30758153), (23, 9361177), (161, 1337311), (523, 411677), (2557, 84203), (3661, 58811), (12029, 17899)]