81124875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 165372480

約数和(自身を除く): 84247605

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 43, 45, 65, 75, 117, 125, 129, 135, 195, 215, 225, 325, 351, 375, 387, 559, 585, 645, 675, 975, 1075, 1125, 1161, 1625, 1677, 1755, 1849, 1935, 2795, 2925, 3225, 3375, 4875, 5031, 5375, 5547, 5805, 8385, 8775, 9245, 9675, 13975, 14625, 15093, 16125, 16641, 24037, 25155, 27735, 29025, 41925, 43875, 46225, 48375, 49923, 69875, 72111, 75465, 83205, 120185, 125775, 138675, 145125, 209625, 216333, 231125, 249615, 360555, 377325, 416025, 600925, 628875, 648999, 693375, 1081665, 1248075, 1802775, 1886625, 2080125, 3004625, 3244995, 5408325, 6240375, 9013875, 16224975, 27041625, 81124875]

約数ペア:

[(1, 81124875), (3, 27041625), (5, 16224975), (9, 9013875), (13, 6240375), (15, 5408325), (25, 3244995), (27, 3004625), (39, 2080125), (43, 1886625), (45, 1802775), (65, 1248075), (75, 1081665), (117, 693375), (125, 648999), (129, 628875), (135, 600925), (195, 416025), (215, 377325), (225, 360555), (325, 249615), (351, 231125), (375, 216333), (387, 209625), (559, 145125), (585, 138675), (645, 125775), (675, 120185), (975, 83205), (1075, 75465), (1125, 72111), (1161, 69875), (1625, 49923), (1677, 48375), (1755, 46225), (1849, 43875), (1935, 41925), (2795, 29025), (2925, 27735), (3225, 25155), (3375, 24037), (4875, 16641), (5031, 16125), (5375, 15093), (5547, 14625), (5805, 13975), (8385, 9675), (8775, 9245)]