208430055

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{19219}}^1$

素因数の和:19471

約数の個数: 24

約数和(自身を含む): 362796720

約数和(自身を除く): 154366665

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 10845, 19219, 57657, 96095, 172971, 288285, 864855, 4631779, 13895337, 23158895, 41686011, 69476685, 208430055]

約数ペア:

[(1, 208430055), (3, 69476685), (5, 41686011), (9, 23158895), (15, 13895337), (45, 4631779), (241, 864855), (723, 288285), (1205, 172971), (2169, 96095), (3615, 57657), (10845, 19219)]