319470207

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1\times {\mathrm{977}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 509248512

約数和(自身を除く): 189778305

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 677, 977, 2031, 2931, 4739, 6839, 14217, 15571, 20517, 22471, 46713, 67413, 108997, 157297, 326991, 471891, 661429, 1984287, 4630003, 13890009, 15212867, 45638601, 106490069, 319470207]

約数ペア:

[(1, 319470207), (3, 106490069), (7, 45638601), (21, 15212867), (23, 13890009), (69, 4630003), (161, 1984287), (483, 661429), (677, 471891), (977, 326991), (2031, 157297), (2931, 108997), (4739, 67413), (6839, 46713), (14217, 22471), (15571, 20517)]