30551985

素因数分解:

$3^4\times 5^1\times {\mathrm{75437}}^1$

素因数の和:75454

約数の個数: 20

約数和(自身を含む): 54767988

約数和(自身を除く): 24216003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 75437, 226311, 377185, 678933, 1131555, 2036799, 3394665, 6110397, 10183995, 30551985]

約数ペア:

[(1, 30551985), (3, 10183995), (5, 6110397), (9, 3394665), (15, 2036799), (27, 1131555), (45, 678933), (81, 377185), (135, 226311), (405, 75437)]