18121185

素因数分解:

$3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 32400000

約数和(自身を除く): 14278815

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 269, 499, 807, 1345, 1497, 2421, 2495, 4035, 4491, 7263, 7485, 12105, 13473, 22455, 36315, 67365, 134231, 402693, 671155, 1208079, 2013465, 3624237, 6040395, 18121185]

約数ペア:

[(1, 18121185), (3, 6040395), (5, 3624237), (9, 2013465), (15, 1208079), (27, 671155), (45, 402693), (135, 134231), (269, 67365), (499, 36315), (807, 22455), (1345, 13473), (1497, 12105), (2421, 7485), (2495, 7263), (4035, 4491)]