1398678123

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{20369}}^1$

素因数の和:20906

約数の個数: 16

約数和(自身を含む): 1908587520

約数和(自身を除く): 509909397

約数列:

[1, 3, 47, 141, 487, 1461, 20369, 22889, 61107, 68667, 957343, 2872029, 9919703, 29759109, 466226041, 1398678123]

約数ペア:

[(1, 1398678123), (3, 466226041), (47, 29759109), (141, 9919703), (487, 2872029), (1461, 957343), (20369, 68667), (22889, 61107)]