615890961

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{208001}}^1$

素因数の和:208061

約数の個数: 24

約数和(自身を含む): 1038345984

約数和(自身を除く): 422455023

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 208001, 624003, 1456007, 1872009, 4368021, 9776047, 13104063, 29328141, 68432329, 87984423, 205296987, 615890961]

約数ペア:

[(1, 615890961), (3, 205296987), (7, 87984423), (9, 68432329), (21, 29328141), (47, 13104063), (63, 9776047), (141, 4368021), (329, 1872009), (423, 1456007), (987, 624003), (2961, 208001)]