72987717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 114988608

約数和(自身を除く): 42000891

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 113, 253, 339, 407, 529, 759, 851, 1221, 1243, 1587, 2553, 2599, 3729, 4181, 5819, 7797, 9361, 12543, 17457, 19573, 28083, 28589, 45991, 58719, 59777, 85767, 96163, 137973, 179331, 215303, 288489, 645909, 657547, 1057793, 1972641, 2211749, 3173379, 6635247, 24329239, 72987717]

約数ペア:

[(1, 72987717), (3, 24329239), (11, 6635247), (23, 3173379), (33, 2211749), (37, 1972641), (69, 1057793), (111, 657547), (113, 645909), (253, 288489), (339, 215303), (407, 179331), (529, 137973), (759, 96163), (851, 85767), (1221, 59777), (1243, 58719), (1587, 45991), (2553, 28589), (2599, 28083), (3729, 19573), (4181, 17457), (5819, 12543), (7797, 9361)]