28048215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8499

約数の個数: 32

約数和(自身を含む): 51178176

約数和(自身を除く): 23129961

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8461, 25383, 42305, 109993, 126915, 143837, 329979, 431511, 549965, 719185, 1649895, 1869881, 2157555, 5609643, 9349405, 28048215]

約数ペア:

[(1, 28048215), (3, 9349405), (5, 5609643), (13, 2157555), (15, 1869881), (17, 1649895), (39, 719185), (51, 549965), (65, 431511), (85, 329979), (195, 143837), (221, 126915), (255, 109993), (663, 42305), (1105, 25383), (3315, 8461)]