28375695

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20341}}^1$

素因数の和:20383

約数の個数: 24

約数和(自身を含む): 50773632

約数和(自身を除く): 22397937

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20341, 61023, 101705, 183069, 305115, 630571, 915345, 1891713, 3152855, 5675139, 9458565, 28375695]

約数ペア:

[(1, 28375695), (3, 9458565), (5, 5675139), (9, 3152855), (15, 1891713), (31, 915345), (45, 630571), (93, 305115), (155, 183069), (279, 101705), (465, 61023), (1395, 20341)]