64998207

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 102453120

約数和(自身を除く): 37454913

約数列:

[1, 3, 9, 23, 27, 69, 81, 139, 207, 251, 417, 621, 753, 1251, 1863, 2259, 3197, 3753, 5773, 6777, 9591, 11259, 17319, 20331, 28773, 34889, 51957, 86319, 104667, 155871, 258957, 314001, 467613, 802447, 942003, 2407341, 2826009, 7222023, 21666069, 64998207]

約数ペア:

[(1, 64998207), (3, 21666069), (9, 7222023), (23, 2826009), (27, 2407341), (69, 942003), (81, 802447), (139, 467613), (207, 314001), (251, 258957), (417, 155871), (621, 104667), (753, 86319), (1251, 51957), (1863, 34889), (2259, 28773), (3197, 20331), (3753, 17319), (5773, 11259), (6777, 9591)]