18486711

素因数分解:

$3^7\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 9852489

約数列:

[1, 3, 9, 27, 79, 81, 107, 237, 243, 321, 711, 729, 963, 2133, 2187, 2889, 6399, 8453, 8667, 19197, 25359, 26001, 57591, 76077, 78003, 172773, 228231, 234009, 684693, 2054079, 6162237, 18486711]

約数ペア:

[(1, 18486711), (3, 6162237), (9, 2054079), (27, 684693), (79, 234009), (81, 228231), (107, 172773), (237, 78003), (243, 76077), (321, 57591), (711, 26001), (729, 25359), (963, 19197), (2133, 8667), (2187, 8453), (2889, 6399)]