65996985

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 110592000

約数和(自身を除く): 44595015

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 1999, 2201, 5997, 6603, 9995, 11005, 29985, 33015, 61969, 141929, 185907, 309845, 425787, 709645, 929535, 2128935, 4399799, 13199397, 21998995, 65996985]

約数ペア:

[(1, 65996985), (3, 21998995), (5, 13199397), (15, 4399799), (31, 2128935), (71, 929535), (93, 709645), (155, 425787), (213, 309845), (355, 185907), (465, 141929), (1065, 61969), (1999, 33015), (2201, 29985), (5997, 11005), (6603, 9995)]