18618579

素因数分解:

$3^4\times 7^2\times {\mathrm{4691}}^1$

素因数の和:4717

約数の個数: 30

約数和(自身を含む): 32360724

約数和(自身を除く): 13742145

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4691, 14073, 32837, 42219, 98511, 126657, 229859, 295533, 379971, 689577, 886599, 2068731, 2659797, 6206193, 18618579]

約数ペア:

[(1, 18618579), (3, 6206193), (7, 2659797), (9, 2068731), (21, 886599), (27, 689577), (49, 379971), (63, 295533), (81, 229859), (147, 126657), (189, 98511), (441, 42219), (567, 32837), (1323, 14073), (3969, 4691)]