28807575

素因数分解:

$3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 47901696

約数和(自身を除く): 19094121

約数列:

[1, 3, 5, 15, 25, 75, 191, 573, 955, 2011, 2865, 4775, 6033, 10055, 14325, 30165, 50275, 150825, 384101, 1152303, 1920505, 5761515, 9602525, 28807575]

約数ペア:

[(1, 28807575), (3, 9602525), (5, 5761515), (15, 1920505), (25, 1152303), (75, 384101), (191, 150825), (573, 50275), (955, 30165), (2011, 14325), (2865, 10055), (4775, 6033)]