25918137

素因数分解:

$3^7\times 7^1\times {\mathrm{1693}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 44450560

約数和(自身を除く): 18532423

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1693, 1701, 2187, 5079, 5103, 11851, 15237, 15309, 35553, 45711, 106659, 137133, 319977, 411399, 959931, 1234197, 2879793, 3702591, 8639379, 25918137]

約数ペア:

[(1, 25918137), (3, 8639379), (7, 3702591), (9, 2879793), (21, 1234197), (27, 959931), (63, 411399), (81, 319977), (189, 137133), (243, 106659), (567, 45711), (729, 35553), (1693, 15309), (1701, 15237), (2187, 11851), (5079, 5103)]