289496745

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{279707}}^1$

素因数の和:279741

約数の個数: 24

約数和(自身を含む): 523613376

約数和(自身を除く): 234116631

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 279707, 839121, 1398535, 2517363, 4195605, 6433261, 12586815, 19299783, 32166305, 57899349, 96498915, 289496745]

約数ペア:

[(1, 289496745), (3, 96498915), (5, 57899349), (9, 32166305), (15, 19299783), (23, 12586815), (45, 6433261), (69, 4195605), (115, 2517363), (207, 1398535), (345, 839121), (1035, 279707)]