80697075

素因数分解:

$3^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{1663}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 133705728

約数和(自身を除く): 53008653

約数列:

[1, 3, 5, 15, 25, 75, 647, 1663, 1941, 3235, 4989, 8315, 9705, 16175, 24945, 41575, 48525, 124725, 1075961, 3227883, 5379805, 16139415, 26899025, 80697075]

約数ペア:

[(1, 80697075), (3, 26899025), (5, 16139415), (15, 5379805), (25, 3227883), (75, 1075961), (647, 124725), (1663, 48525), (1941, 41575), (3235, 24945), (4989, 16175), (8315, 9705)]