68317245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 124675200

約数和(自身を除く): 56357955

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 149, 207, 345, 443, 447, 745, 1035, 1329, 1341, 2215, 2235, 3427, 3987, 6645, 6705, 10189, 10281, 17135, 19935, 30567, 30843, 50945, 51405, 66007, 91701, 152835, 154215, 198021, 330035, 458505, 594063, 990105, 1518161, 2970315, 4554483, 7590805, 13663449, 22772415, 68317245]

約数ペア:

[(1, 68317245), (3, 22772415), (5, 13663449), (9, 7590805), (15, 4554483), (23, 2970315), (45, 1518161), (69, 990105), (115, 594063), (149, 458505), (207, 330035), (345, 198021), (443, 154215), (447, 152835), (745, 91701), (1035, 66007), (1329, 51405), (1341, 50945), (2215, 30843), (2235, 30567), (3427, 19935), (3987, 17135), (6645, 10281), (6705, 10189)]