78920145

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17027}}^1$

素因数の和:17141

約数の個数: 24

約数和(自身を含む): 138131136

約数和(自身を除く): 59210991

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 17027, 51081, 85135, 153243, 255405, 766215, 1753781, 5261343, 8768905, 15784029, 26306715, 78920145]

約数ペア:

[(1, 78920145), (3, 26306715), (5, 15784029), (9, 8768905), (15, 5261343), (45, 1753781), (103, 766215), (309, 255405), (515, 153243), (927, 85135), (1545, 51081), (4635, 17027)]