81299871

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4049}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 123832800

約数和(自身を除く): 42532929

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 2231, 4049, 6693, 12147, 20079, 36441, 93127, 279381, 392753, 838143, 1178259, 3534777, 9033319, 27099957, 81299871]

約数ペア:

[(1, 81299871), (3, 27099957), (9, 9033319), (23, 3534777), (69, 1178259), (97, 838143), (207, 392753), (291, 279381), (873, 93127), (2231, 36441), (4049, 20079), (6693, 12147)]