155274015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21521}}^1$

素因数の和:21579

約数の個数: 32

約数和(自身を含む): 274792896

約数和(自身を除く): 119518881

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 7215, 21521, 64563, 107605, 279773, 322815, 796277, 839319, 1398865, 2388831, 3981385, 4196595, 10351601, 11944155, 31054803, 51758005, 155274015]

約数ペア:

[(1, 155274015), (3, 51758005), (5, 31054803), (13, 11944155), (15, 10351601), (37, 4196595), (39, 3981385), (65, 2388831), (111, 1398865), (185, 839319), (195, 796277), (481, 322815), (555, 279773), (1443, 107605), (2405, 64563), (7215, 21521)]