389295

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 694512

約数和(自身を除く): 305217

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 211, 369, 615, 633, 1055, 1845, 1899, 3165, 8651, 9495, 25953, 43255, 77859, 129765, 389295]

約数ペア:

[(1, 389295), (3, 129765), (5, 77859), (9, 43255), (15, 25953), (41, 9495), (45, 8651), (123, 3165), (205, 1899), (211, 1845), (369, 1055), (615, 633)]