204900891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 306147072

約数和(自身を除く): 101246181

約数列:

[1, 3, 13, 39, 43, 61, 129, 183, 559, 793, 1677, 2003, 2379, 2623, 6009, 7869, 26039, 34099, 78117, 86129, 102297, 122183, 258387, 366549, 1119677, 1588379, 3359031, 4765137, 5253869, 15761607, 68300297, 204900891]

約数ペア:

[(1, 204900891), (3, 68300297), (13, 15761607), (39, 5253869), (43, 4765137), (61, 3359031), (129, 1588379), (183, 1119677), (559, 366549), (793, 258387), (1677, 122183), (2003, 102297), (2379, 86129), (2623, 78117), (6009, 34099), (7869, 26039)]