40920009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 60945024

約数和(自身を除く): 20025015

約数列:

[1, 3, 13, 39, 41, 123, 157, 163, 471, 489, 533, 1599, 2041, 2119, 6123, 6357, 6437, 6683, 19311, 20049, 25591, 76773, 83681, 86879, 251043, 260637, 332683, 998049, 1049231, 3147693, 13640003, 40920009]

約数ペア:

[(1, 40920009), (3, 13640003), (13, 3147693), (39, 1049231), (41, 998049), (123, 332683), (157, 260637), (163, 251043), (471, 86879), (489, 83681), (533, 76773), (1599, 25591), (2041, 20049), (2119, 19311), (6123, 6683), (6357, 6437)]