15121533

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6991}}^1$

素因数の和:7104

約数の個数: 16

約数和(自身を含む): 23269376

約数和(自身を除く): 8147843

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 6991, 20973, 48937, 146811, 720073, 2160219, 5040511, 15121533]

約数ペア:

[(1, 15121533), (3, 5040511), (7, 2160219), (21, 720073), (103, 146811), (309, 48937), (721, 20973), (2163, 6991)]