20180151

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6857}}^1$

素因数の和:6975

約数の個数: 16

約数和(自身を含む): 30175200

約数和(自身を除く): 9995049

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6857, 20571, 61713, 185139, 747413, 2242239, 6726717, 20180151]

約数ペア:

[(1, 20180151), (3, 6726717), (9, 2242239), (27, 747413), (109, 185139), (327, 61713), (981, 20571), (2943, 6857)]