31080195

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1979}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 54054000

約数和(自身を除く): 22973805

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1745, 1979, 3141, 5235, 5937, 9895, 15705, 17811, 29685, 89055, 690671, 2072013, 3453355, 6216039, 10360065, 31080195]

約数ペア:

[(1, 31080195), (3, 10360065), (5, 6216039), (9, 3453355), (15, 2072013), (45, 690671), (349, 89055), (1047, 29685), (1745, 17811), (1979, 15705), (3141, 9895), (5235, 5937)]