18182997

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{727}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 30133376

約数和(自身を除く): 11950379

約数列:

[1, 3, 7, 9, 21, 63, 397, 727, 1191, 2181, 2779, 3573, 5089, 6543, 8337, 15267, 25011, 45801, 288619, 865857, 2020333, 2597571, 6060999, 18182997]

約数ペア:

[(1, 18182997), (3, 6060999), (7, 2597571), (9, 2020333), (21, 865857), (63, 288619), (397, 45801), (727, 25011), (1191, 15267), (2181, 8337), (2779, 6543), (3573, 5089)]