221820841

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7309}}^1$

素因数の和:7440

約数の個数: 16

約数和(自身を含む): 252633600

約数和(自身を除く): 30812759

約数列:

[1, 11, 31, 89, 341, 979, 2759, 7309, 30349, 80399, 226579, 650501, 2492369, 7155511, 20165531, 221820841]

約数ペア:

[(1, 221820841), (11, 20165531), (31, 7155511), (89, 2492369), (341, 650501), (979, 226579), (2759, 80399), (7309, 30349)]