204023115

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63857}}^1$

素因数の和:63939

約数の個数: 24

約数和(自身を含む): 358626528

約数和(自身を除く): 154603413

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 63857, 191571, 319285, 574713, 957855, 2873565, 4533847, 13601541, 22669235, 40804623, 68007705, 204023115]

約数ペア:

[(1, 204023115), (3, 68007705), (5, 40804623), (9, 22669235), (15, 13601541), (45, 4533847), (71, 2873565), (213, 957855), (355, 574713), (639, 319285), (1065, 191571), (3195, 63857)]