180928245

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{13417}}^1$

素因数の和:13485

約数の個数: 32

約数和(自身を含む): 309150720

約数和(自身を除く): 128222475

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2697, 4495, 13417, 13485, 40251, 67085, 201255, 389093, 415927, 1167279, 1247781, 1945465, 2079635, 5836395, 6238905, 12061883, 36185649, 60309415, 180928245]

約数ペア:

[(1, 180928245), (3, 60309415), (5, 36185649), (15, 12061883), (29, 6238905), (31, 5836395), (87, 2079635), (93, 1945465), (145, 1247781), (155, 1167279), (435, 415927), (465, 389093), (899, 201255), (2697, 67085), (4495, 40251), (13417, 13485)]