15720512751

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1213}}^1\times {\mathrm{12973}}^1$

素因数の和:14232

約数の個数: 32

約数和(自身を含む): 23940662720

約数和(自身を除く): 8220149969

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1213, 3639, 10917, 12973, 32751, 38919, 44881, 116757, 134643, 350271, 403929, 480001, 1211787, 1440003, 4320009, 12960027, 15736249, 47208747, 141626241, 424878723, 582241213, 1746723639, 5240170917, 15720512751]

約数ペア:

[(1, 15720512751), (3, 5240170917), (9, 1746723639), (27, 582241213), (37, 424878723), (111, 141626241), (333, 47208747), (999, 15736249), (1213, 12960027), (3639, 4320009), (10917, 1440003), (12973, 1211787), (32751, 480001), (38919, 403929), (44881, 350271), (116757, 134643)]