289207875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{70111}}^1$

素因数の和:70140

約数の個数: 32

約数和(自身を含む): 524998656

約数和(自身を除く): 235790781

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 70111, 210333, 350555, 771221, 1051665, 1752775, 2313663, 3856105, 5258325, 8763875, 11568315, 19280525, 26291625, 57841575, 96402625, 289207875]

約数ペア:

[(1, 289207875), (3, 96402625), (5, 57841575), (11, 26291625), (15, 19280525), (25, 11568315), (33, 8763875), (55, 5258325), (75, 3856105), (125, 2313663), (165, 1752775), (275, 1051665), (375, 771221), (825, 350555), (1375, 210333), (4125, 70111)]