28252881

素因数分解:

$3^5\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 42588000

約数和(自身を除く): 14335119

約数列:

[1, 3, 9, 27, 81, 233, 243, 499, 699, 1497, 2097, 4491, 6291, 13473, 18873, 40419, 56619, 116267, 121257, 348801, 1046403, 3139209, 9417627, 28252881]

約数ペア:

[(1, 28252881), (3, 9417627), (9, 3139209), (27, 1046403), (81, 348801), (233, 121257), (243, 116267), (499, 56619), (699, 40419), (1497, 18873), (2097, 13473), (4491, 6291)]