1213369521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{15817}}^1$

素因数の和:16121

約数の個数: 32

約数和(自身を含む): 1998382848

約数和(自身を除く): 785013327

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 281, 843, 1967, 3653, 5901, 10959, 15817, 25571, 47451, 76713, 110719, 205621, 332157, 616863, 1439347, 4318041, 4444577, 13333731, 31112039, 57779501, 93336117, 173338503, 404456507, 1213369521]

約数ペア:

[(1, 1213369521), (3, 404456507), (7, 173338503), (13, 93336117), (21, 57779501), (39, 31112039), (91, 13333731), (273, 4444577), (281, 4318041), (843, 1439347), (1967, 616863), (3653, 332157), (5901, 205621), (10959, 110719), (15817, 76713), (25571, 47451)]