78612255

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3709}}^1$

素因数の和:3880

約数の個数: 32

約数和(自身を含む): 140683200

約数和(自身を除く): 62070945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 3709, 4239, 7065, 11127, 18545, 21195, 33381, 55635, 100143, 166905, 500715, 582313, 1746939, 2911565, 5240817, 8734695, 15722451, 26204085, 78612255]

約数ペア:

[(1, 78612255), (3, 26204085), (5, 15722451), (9, 8734695), (15, 5240817), (27, 2911565), (45, 1746939), (135, 582313), (157, 500715), (471, 166905), (785, 100143), (1413, 55635), (2355, 33381), (3709, 21195), (4239, 18545), (7065, 11127)]