80742879

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13828

約数の個数: 32

約数和(自身を含む): 141127680

約数和(自身を除く): 60384801

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 13781, 41343, 96467, 124029, 289401, 372087, 427211, 868203, 1281633, 2604609, 2990477, 3844899, 8971431, 11534697, 26914293, 80742879]

約数ペア:

[(1, 80742879), (3, 26914293), (7, 11534697), (9, 8971431), (21, 3844899), (27, 2990477), (31, 2604609), (63, 1281633), (93, 868203), (189, 427211), (217, 372087), (279, 289401), (651, 124029), (837, 96467), (1953, 41343), (5859, 13781)]