157480815

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 255752640

約数和(自身を除く): 98271825

約数列:

[1, 3, 5, 15, 137, 197, 389, 411, 591, 685, 985, 1167, 1945, 2055, 2955, 5835, 26989, 53293, 76633, 80967, 134945, 159879, 229899, 266465, 383165, 404835, 799395, 1149495, 10498721, 31496163, 52493605, 157480815]

約数ペア:

[(1, 157480815), (3, 52493605), (5, 31496163), (15, 10498721), (137, 1149495), (197, 799395), (389, 404835), (411, 383165), (591, 266465), (685, 229899), (985, 159879), (1167, 134945), (1945, 80967), (2055, 76633), (2955, 53293), (5835, 26989)]