66725775

素因数分解:

$3^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 60

約数和(自身を含む): 125403432

約数和(自身を除く): 58677657

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 83, 135, 225, 249, 397, 405, 415, 675, 747, 1191, 1245, 1985, 2025, 2075, 2241, 3573, 3735, 5955, 6225, 6723, 9925, 10719, 11205, 17865, 18675, 29775, 32157, 32951, 33615, 53595, 56025, 89325, 98853, 160785, 164755, 168075, 267975, 296559, 494265, 803925, 823775, 889677, 1482795, 2471325, 2669031, 4448385, 7413975, 13345155, 22241925, 66725775]

約数ペア:

[(1, 66725775), (3, 22241925), (5, 13345155), (9, 7413975), (15, 4448385), (25, 2669031), (27, 2471325), (45, 1482795), (75, 889677), (81, 823775), (83, 803925), (135, 494265), (225, 296559), (249, 267975), (397, 168075), (405, 164755), (415, 160785), (675, 98853), (747, 89325), (1191, 56025), (1245, 53595), (1985, 33615), (2025, 32951), (2075, 32157), (2241, 29775), (3573, 18675), (3735, 17865), (5955, 11205), (6225, 10719), (6723, 9925)]