27905985

素因数分解:

$3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 49829760

約数和(自身を除く): 21923775

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 421, 491, 1263, 1473, 2105, 2455, 3789, 4419, 6315, 7365, 11367, 13257, 18945, 22095, 56835, 66285, 206711, 620133, 1033555, 1860399, 3100665, 5581197, 9301995, 27905985]

約数ペア:

[(1, 27905985), (3, 9301995), (5, 5581197), (9, 3100665), (15, 1860399), (27, 1033555), (45, 620133), (135, 206711), (421, 66285), (491, 56835), (1263, 22095), (1473, 18945), (2105, 13257), (2455, 11367), (3789, 7365), (4419, 6315)]