18028107

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 26788320

約数和(自身を除く): 8760213

約数列:

[1, 3, 9, 71, 89, 213, 267, 317, 639, 801, 951, 2853, 6319, 18957, 22507, 28213, 56871, 67521, 84639, 202563, 253917, 2003123, 6009369, 18028107]

約数ペア:

[(1, 18028107), (3, 6009369), (9, 2003123), (71, 253917), (89, 202563), (213, 84639), (267, 67521), (317, 56871), (639, 28213), (801, 22507), (951, 18957), (2853, 6319)]