80520975

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3167}}^1$

素因数の和:3296

約数の個数: 36

約数和(自身を含む): 145544256

約数和(自身を除く): 65023281

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 225, 339, 565, 1017, 1695, 2825, 3167, 5085, 8475, 9501, 15835, 25425, 28503, 47505, 79175, 142515, 237525, 357871, 712575, 1073613, 1789355, 3220839, 5368065, 8946775, 16104195, 26840325, 80520975]

約数ペア:

[(1, 80520975), (3, 26840325), (5, 16104195), (9, 8946775), (15, 5368065), (25, 3220839), (45, 1789355), (75, 1073613), (113, 712575), (225, 357871), (339, 237525), (565, 142515), (1017, 79175), (1695, 47505), (2825, 28503), (3167, 25425), (5085, 15835), (8475, 9501)]