16121209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 18135040

約数和(自身を除く): 2013831

約数列:

[1, 13, 31, 109, 367, 403, 1417, 3379, 4771, 11377, 40003, 43927, 147901, 520039, 1240093, 16121209]

約数ペア:

[(1, 16121209), (13, 1240093), (31, 520039), (109, 147901), (367, 43927), (403, 40003), (1417, 11377), (3379, 4771)]