28556025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8101}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 48223104

約数和(自身を除く): 19667079

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 8101, 24303, 40505, 121515, 202525, 380747, 607575, 1142241, 1903735, 5711205, 9518675, 28556025]

約数ペア:

[(1, 28556025), (3, 9518675), (5, 5711205), (15, 1903735), (25, 1142241), (47, 607575), (75, 380747), (141, 202525), (235, 121515), (705, 40505), (1175, 24303), (3525, 8101)]