6660666

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 15134184

約数和(自身を除く): 8473518

約数列:

[1, 2, 3, 6, 9, 18, 37, 73, 74, 111, 137, 146, 219, 222, 274, 333, 411, 438, 657, 666, 822, 1233, 1314, 2466, 2701, 5069, 5402, 8103, 10001, 10138, 15207, 16206, 20002, 24309, 30003, 30414, 45621, 48618, 60006, 90009, 91242, 180018, 370037, 740074, 1110111, 2220222, 3330333, 6660666]

約数ペア:

[(1, 6660666), (2, 3330333), (3, 2220222), (6, 1110111), (9, 740074), (18, 370037), (37, 180018), (73, 91242), (74, 90009), (111, 60006), (137, 48618), (146, 45621), (219, 30414), (222, 30003), (274, 24309), (333, 20002), (411, 16206), (438, 15207), (657, 10138), (666, 10001), (822, 8103), (1233, 5402), (1314, 5069), (2466, 2701)]