27903555

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 22093245

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 1487, 2085, 3753, 4461, 6255, 7435, 13383, 18765, 22305, 40149, 66915, 200745, 206693, 620079, 1033465, 1860237, 3100395, 5580711, 9301185, 27903555]

約数ペア:

[(1, 27903555), (3, 9301185), (5, 5580711), (9, 3100395), (15, 1860237), (27, 1033465), (45, 620079), (135, 206693), (139, 200745), (417, 66915), (695, 40149), (1251, 22305), (1487, 18765), (2085, 13383), (3753, 7435), (4461, 6255)]