15901641

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1459}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 26420160

約数和(自身を除く): 10518519

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1459, 1557, 3633, 4377, 10213, 10899, 13131, 30639, 91917, 252407, 757221, 1766849, 2271663, 5300547, 15901641]

約数ペア:

[(1, 15901641), (3, 5300547), (7, 2271663), (9, 1766849), (21, 757221), (63, 252407), (173, 91917), (519, 30639), (1211, 13131), (1459, 10899), (1557, 10213), (3633, 4377)]