30781809

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{2341}}^1$

素因数の和:2837

約数の個数: 16

約数和(自身を含む): 45715840

約数和(自身を除く): 14934031

約数列:

[1, 3, 9, 27, 487, 1461, 2341, 4383, 7023, 13149, 21069, 63207, 1140067, 3420201, 10260603, 30781809]

約数ペア:

[(1, 30781809), (3, 10260603), (9, 3420201), (27, 1140067), (487, 63207), (1461, 21069), (2341, 13149), (4383, 7023)]