12618914679

素因数分解:

$3^2\times 7^2\times {\mathrm{28614319}}^1$

素因数の和:28614339

約数の個数: 18

約数和(自身を含む): 21203211120

約数和(自身を除く): 8584296441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28614319, 85842957, 200300233, 257528871, 600900699, 1402101631, 1802702097, 4206304893, 12618914679]

約数ペア:

[(1, 12618914679), (3, 4206304893), (7, 1802702097), (9, 1402101631), (21, 600900699), (49, 257528871), (63, 200300233), (147, 85842957), (441, 28614319)]