18386109

素因数分解:

$3^7\times 7^1\times {\mathrm{1201}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 31540480

約数和(自身を除く): 13154371

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1201, 1701, 2187, 3603, 5103, 8407, 10809, 15309, 25221, 32427, 75663, 97281, 226989, 291843, 680967, 875529, 2042901, 2626587, 6128703, 18386109]

約数ペア:

[(1, 18386109), (3, 6128703), (7, 2626587), (9, 2042901), (21, 875529), (27, 680967), (63, 291843), (81, 226989), (189, 97281), (243, 75663), (567, 32427), (729, 25221), (1201, 15309), (1701, 10809), (2187, 8407), (3603, 5103)]