289230081

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 446865408

約数和(自身を除く): 157635327

約数列:

[1, 3, 7, 21, 151, 197, 453, 463, 591, 1057, 1379, 1389, 3171, 3241, 4137, 9723, 29747, 69913, 89241, 91211, 208229, 209739, 273633, 489391, 624687, 638477, 1468173, 1915431, 13772861, 41318583, 96410027, 289230081]

約数ペア:

[(1, 289230081), (3, 96410027), (7, 41318583), (21, 13772861), (151, 1915431), (197, 1468173), (453, 638477), (463, 624687), (591, 489391), (1057, 273633), (1379, 209739), (1389, 208229), (3171, 91211), (3241, 89241), (4137, 69913), (9723, 29747)]