28011075

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2851}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 46681536

約数和(自身を除く): 18670461

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 2851, 3275, 8553, 9825, 14255, 42765, 71275, 213825, 373481, 1120443, 1867405, 5602215, 9337025, 28011075]

約数ペア:

[(1, 28011075), (3, 9337025), (5, 5602215), (15, 1867405), (25, 1120443), (75, 373481), (131, 213825), (393, 71275), (655, 42765), (1965, 14255), (2851, 9825), (3275, 8553)]