18002997

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 28080000

約数和(自身を除く): 10077003

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 2999, 6003, 8997, 26991, 68977, 86971, 206931, 260913, 620793, 782739, 2000333, 6000999, 18002997]

約数ペア:

[(1, 18002997), (3, 6000999), (9, 2000333), (23, 782739), (29, 620793), (69, 260913), (87, 206931), (207, 86971), (261, 68977), (667, 26991), (2001, 8997), (2999, 6003)]