221287713

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{3541}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 303648576

約数和(自身を除く): 82360863

約数列:

[1, 3, 37, 111, 563, 1689, 3541, 10623, 20831, 62493, 131017, 393051, 1993583, 5980749, 73762571, 221287713]

約数ペア:

[(1, 221287713), (3, 73762571), (37, 5980749), (111, 1993583), (563, 393051), (1689, 131017), (3541, 62493), (10623, 20831)]