12172995

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1723}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 21246576

約数和(自身を除く): 9073581

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 1723, 2355, 5169, 7065, 8615, 15507, 25845, 77535, 270511, 811533, 1352555, 2434599, 4057665, 12172995]

約数ペア:

[(1, 12172995), (3, 4057665), (5, 2434599), (9, 1352555), (15, 811533), (45, 270511), (157, 77535), (471, 25845), (785, 15507), (1413, 8615), (1723, 7065), (2355, 5169)]