64972395

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 116043840

約数和(自身を除く): 51071445

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 1205, 1997, 2169, 3615, 5991, 6507, 9985, 10845, 17973, 29955, 32535, 53919, 89865, 269595, 481277, 1443831, 2406385, 4331493, 7219155, 12994479, 21657465, 64972395]

約数ペア:

[(1, 64972395), (3, 21657465), (5, 12994479), (9, 7219155), (15, 4331493), (27, 2406385), (45, 1443831), (135, 481277), (241, 269595), (723, 89865), (1205, 53919), (1997, 32535), (2169, 29955), (3615, 17973), (5991, 10845), (6507, 9985)]