78649623

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:267

約数の個数: 56

約数和(自身を含む): 130617872

約数和(自身を除く): 51968249

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 193, 243, 351, 387, 559, 579, 729, 1053, 1161, 1677, 1737, 2509, 3159, 3483, 5031, 5211, 7527, 8299, 9477, 10449, 15093, 15633, 22581, 24897, 31347, 45279, 46899, 67743, 74691, 107887, 135837, 140697, 203229, 224073, 323661, 407511, 609687, 672219, 970983, 1829061, 2016657, 2912949, 6049971, 8738847, 26216541, 78649623]

約数ペア:

[(1, 78649623), (3, 26216541), (9, 8738847), (13, 6049971), (27, 2912949), (39, 2016657), (43, 1829061), (81, 970983), (117, 672219), (129, 609687), (193, 407511), (243, 323661), (351, 224073), (387, 203229), (559, 140697), (579, 135837), (729, 107887), (1053, 74691), (1161, 67743), (1677, 46899), (1737, 45279), (2509, 31347), (3159, 24897), (3483, 22581), (5031, 15633), (5211, 15093), (7527, 10449), (8299, 9477)]