78387375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 147124224

約数和(自身を除く): 68736849

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 465, 613, 775, 825, 1023, 1375, 1705, 1839, 2325, 3065, 3875, 4125, 5115, 6743, 8525, 9195, 11625, 15325, 19003, 20229, 25575, 33715, 42625, 45975, 57009, 76625, 95015, 101145, 127875, 168575, 209033, 229875, 285045, 475075, 505725, 627099, 842875, 1045165, 1425225, 2375375, 2528625, 3135495, 5225825, 7126125, 15677475, 26129125, 78387375]

約数ペア:

[(1, 78387375), (3, 26129125), (5, 15677475), (11, 7126125), (15, 5225825), (25, 3135495), (31, 2528625), (33, 2375375), (55, 1425225), (75, 1045165), (93, 842875), (125, 627099), (155, 505725), (165, 475075), (275, 285045), (341, 229875), (375, 209033), (465, 168575), (613, 127875), (775, 101145), (825, 95015), (1023, 76625), (1375, 57009), (1705, 45975), (1839, 42625), (2325, 33715), (3065, 25575), (3875, 20229), (4125, 19003), (5115, 15325), (6743, 11625), (8525, 9195)]