208045563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 309813504

約数和(自身を除く): 101767941

約数列:

[1, 3, 11, 33, 61, 181, 183, 543, 571, 671, 1713, 1991, 2013, 5973, 6281, 11041, 18843, 33123, 34831, 103351, 104493, 121451, 310053, 364353, 383141, 1136861, 1149423, 3410583, 6304411, 18913233, 69348521, 208045563]

約数ペア:

[(1, 208045563), (3, 69348521), (11, 18913233), (33, 6304411), (61, 3410583), (181, 1149423), (183, 1136861), (543, 383141), (571, 364353), (671, 310053), (1713, 121451), (1991, 104493), (2013, 103351), (5973, 34831), (6281, 33123), (11041, 18843)]