78039

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 24

約数和(自身を含む): 131040

約数和(自身を除く): 53001

約数列:

[1, 3, 9, 13, 23, 29, 39, 69, 87, 117, 207, 261, 299, 377, 667, 897, 1131, 2001, 2691, 3393, 6003, 8671, 26013, 78039]

約数ペア:

[(1, 78039), (3, 26013), (9, 8671), (13, 6003), (23, 3393), (29, 2691), (39, 2001), (69, 1131), (87, 897), (117, 667), (207, 377), (261, 299)]