18700017

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1069}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 30816000

約数和(自身を除く): 12115983

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 1069, 2499, 3207, 5831, 7483, 17493, 18173, 22449, 52381, 54519, 127211, 157143, 366667, 381633, 890477, 1100001, 2671431, 6233339, 18700017]

約数ペア:

[(1, 18700017), (3, 6233339), (7, 2671431), (17, 1100001), (21, 890477), (49, 381633), (51, 366667), (119, 157143), (147, 127211), (343, 54519), (357, 52381), (833, 22449), (1029, 18173), (1069, 17493), (2499, 7483), (3207, 5831)]