31159305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16157

約数の個数: 24

約数和(自身を含む): 55268928

約数和(自身を除く): 24109623

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 16103, 48309, 80515, 144927, 241545, 692429, 724635, 2077287, 3462145, 6231861, 10386435, 31159305]

約数ペア:

[(1, 31159305), (3, 10386435), (5, 6231861), (9, 3462145), (15, 2077287), (43, 724635), (45, 692429), (129, 241545), (215, 144927), (387, 80515), (645, 48309), (1935, 16103)]