289861875

素因数分解:

$3^3\times 5^4\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 545450400

約数和(自身を除く): 255588525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 89, 125, 135, 193, 225, 267, 375, 445, 579, 625, 675, 801, 965, 1125, 1335, 1737, 1875, 2225, 2403, 2895, 3375, 4005, 4825, 5211, 5625, 6675, 8685, 11125, 12015, 14475, 16875, 17177, 20025, 24125, 26055, 33375, 43425, 51531, 55625, 60075, 72375, 85885, 100125, 120625, 130275, 154593, 166875, 217125, 257655, 300375, 361875, 429425, 463779, 500625, 651375, 772965, 1085625, 1288275, 1501875, 2147125, 2318895, 3256875, 3864825, 6441375, 10735625, 11594475, 19324125, 32206875, 57972375, 96620625, 289861875]

約数ペア:

[(1, 289861875), (3, 96620625), (5, 57972375), (9, 32206875), (15, 19324125), (25, 11594475), (27, 10735625), (45, 6441375), (75, 3864825), (89, 3256875), (125, 2318895), (135, 2147125), (193, 1501875), (225, 1288275), (267, 1085625), (375, 772965), (445, 651375), (579, 500625), (625, 463779), (675, 429425), (801, 361875), (965, 300375), (1125, 257655), (1335, 217125), (1737, 166875), (1875, 154593), (2225, 130275), (2403, 120625), (2895, 100125), (3375, 85885), (4005, 72375), (4825, 60075), (5211, 55625), (5625, 51531), (6675, 43425), (8685, 33375), (11125, 26055), (12015, 24125), (14475, 20025), (16875, 17177)]