77281509969

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{18231071}}^1$

素因数の和:18231237

約数の個数: 16

約数和(自身を含む): 115220375040

約数和(自身を除く): 37938865071

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 18231071, 54693213, 164079639, 492238917, 2862278147, 8586834441, 25760503323, 77281509969]

約数ペア:

[(1, 77281509969), (3, 25760503323), (9, 8586834441), (27, 2862278147), (157, 492238917), (471, 164079639), (1413, 54693213), (4239, 18231071)]