28150515

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1493}}^1$

素因数の和:1923

約数の個数: 24

約数和(自身を含む): 48943440

約数和(自身を除く): 20792925

約数列:

[1, 3, 5, 9, 15, 45, 419, 1257, 1493, 2095, 3771, 4479, 6285, 7465, 13437, 18855, 22395, 67185, 625567, 1876701, 3127835, 5630103, 9383505, 28150515]

約数ペア:

[(1, 28150515), (3, 9383505), (5, 5630103), (9, 3127835), (15, 1876701), (45, 625567), (419, 67185), (1257, 22395), (1493, 18855), (2095, 13437), (3771, 7465), (4479, 6285)]