81917145

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79147}}^1$

素因数の和:79181

約数の個数: 24

約数和(自身を含む): 148165056

約数和(自身を除く): 66247911

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 79147, 237441, 395735, 712323, 1187205, 1820381, 3561615, 5461143, 9101905, 16383429, 27305715, 81917145]

約数ペア:

[(1, 81917145), (3, 27305715), (5, 16383429), (9, 9101905), (15, 5461143), (23, 3561615), (45, 1820381), (69, 1187205), (115, 712323), (207, 395735), (345, 237441), (1035, 79147)]