201538905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2659}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 335032320

約数和(自身を除く): 133493415

約数列:

[1, 3, 5, 15, 31, 93, 155, 163, 465, 489, 815, 2445, 2659, 5053, 7977, 13295, 15159, 25265, 39885, 75795, 82429, 247287, 412145, 433417, 1236435, 1300251, 2167085, 6501255, 13435927, 40307781, 67179635, 201538905]

約数ペア:

[(1, 201538905), (3, 67179635), (5, 40307781), (15, 13435927), (31, 6501255), (93, 2167085), (155, 1300251), (163, 1236435), (465, 433417), (489, 412145), (815, 247287), (2445, 82429), (2659, 75795), (5053, 39885), (7977, 25265), (13295, 15159)]