28513905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11807}}^1$

素因数の和:11845

約数の個数: 32

約数和(自身を含む): 54411264

約数和(自身を除く): 25897359

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11807, 35421, 59035, 82649, 177105, 247947, 271561, 413245, 814683, 1239735, 1357805, 1900927, 4073415, 5702781, 9504635, 28513905]

約数ペア:

[(1, 28513905), (3, 9504635), (5, 5702781), (7, 4073415), (15, 1900927), (21, 1357805), (23, 1239735), (35, 814683), (69, 413245), (105, 271561), (115, 247947), (161, 177105), (345, 82649), (483, 59035), (805, 35421), (2415, 11807)]