1388996895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{647551}}^1$

素因数の和:647583

約数の個数: 32

約数和(自身を含む): 2610929664

約数和(自身を除く): 1221932769

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 647551, 1942653, 3237755, 7123061, 8418163, 9713265, 21369183, 25254489, 35615305, 42090815, 92599793, 106845915, 126272445, 277799379, 462998965, 1388996895]

約数ペア:

[(1, 1388996895), (3, 462998965), (5, 277799379), (11, 126272445), (13, 106845915), (15, 92599793), (33, 42090815), (39, 35615305), (55, 25254489), (65, 21369183), (143, 9713265), (165, 8418163), (195, 7123061), (429, 3237755), (715, 1942653), (2145, 647551)]