13883121

素因数分解:

$3^2\times 7^2\times {\mathrm{31481}}^1$

素因数の和:31501

約数の個数: 18

約数和(自身を含む): 23328162

約数和(自身を除く): 9445041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31481, 94443, 220367, 283329, 661101, 1542569, 1983303, 4627707, 13883121]

約数ペア:

[(1, 13883121), (3, 4627707), (7, 1983303), (9, 1542569), (21, 661101), (49, 283329), (63, 220367), (147, 94443), (441, 31481)]