77971575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3312

約数の個数: 48

約数和(自身を含む): 145526400

約数和(自身を除く): 67554825

約数列:

[1, 3, 5, 11, 15, 25, 29, 33, 55, 75, 87, 145, 165, 275, 319, 435, 725, 825, 957, 1595, 2175, 3259, 4785, 7975, 9777, 16295, 23925, 35849, 48885, 81475, 94511, 107547, 179245, 244425, 283533, 472555, 537735, 896225, 1039621, 1417665, 2362775, 2688675, 3118863, 5198105, 7088325, 15594315, 25990525, 77971575]

約数ペア:

[(1, 77971575), (3, 25990525), (5, 15594315), (11, 7088325), (15, 5198105), (25, 3118863), (29, 2688675), (33, 2362775), (55, 1417665), (75, 1039621), (87, 896225), (145, 537735), (165, 472555), (275, 283533), (319, 244425), (435, 179245), (725, 107547), (825, 94511), (957, 81475), (1595, 48885), (2175, 35849), (3259, 23925), (4785, 16295), (7975, 9777)]