123902145

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{12347}}^1$

素因数の和:12581

約数の個数: 24

約数和(自身を含む): 215744256

約数和(自身を除く): 91842111

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 12347, 37041, 61735, 111123, 185205, 555615, 2753381, 8260143, 13766905, 24780429, 41300715, 123902145]

約数ペア:

[(1, 123902145), (3, 41300715), (5, 24780429), (9, 13766905), (15, 8260143), (45, 2753381), (223, 555615), (669, 185205), (1115, 111123), (2007, 61735), (3345, 37041), (10035, 12347)]