40625253

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{7561}}^1$

素因数の和:7769

約数の個数: 16

約数和(自身を含む): 60496000

約数和(自身を除く): 19870747

約数列:

[1, 3, 9, 27, 199, 597, 1791, 5373, 7561, 22683, 68049, 204147, 1504639, 4513917, 13541751, 40625253]

約数ペア:

[(1, 40625253), (3, 13541751), (9, 4513917), (27, 1504639), (199, 204147), (597, 68049), (1791, 22683), (5373, 7561)]