18029709

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 28357560

約数和(自身を除く): 10327851

約数列:

[1, 3, 9, 27, 41, 61, 81, 89, 123, 183, 267, 369, 549, 801, 1107, 1647, 2403, 2501, 3321, 3649, 4941, 5429, 7209, 7503, 10947, 16287, 22509, 32841, 48861, 67527, 98523, 146583, 202581, 222589, 295569, 439749, 667767, 2003301, 6009903, 18029709]

約数ペア:

[(1, 18029709), (3, 6009903), (9, 2003301), (27, 667767), (41, 439749), (61, 295569), (81, 222589), (89, 202581), (123, 146583), (183, 98523), (267, 67527), (369, 48861), (549, 32841), (801, 22509), (1107, 16287), (1647, 10947), (2403, 7503), (2501, 7209), (3321, 5429), (3649, 4941)]