81191517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21773}}^1$

素因数の和:21900

約数の個数: 16

約数和(自身を含む): 119147328

約数和(自身を除く): 37955811

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 21773, 65319, 239503, 718509, 2460349, 7381047, 27063839, 81191517]

約数ペア:

[(1, 81191517), (3, 27063839), (11, 7381047), (33, 2460349), (113, 718509), (339, 239503), (1243, 65319), (3729, 21773)]