720322581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{56113}}^1$

素因数の和:56516

約数の個数: 16

約数和(自身を含む): 1050454080

約数和(自身を除く): 330131499

約数列:

[1, 3, 11, 33, 389, 1167, 4279, 12837, 56113, 168339, 617243, 1851729, 21827957, 65483871, 240107527, 720322581]

約数ペア:

[(1, 720322581), (3, 240107527), (11, 65483871), (33, 21827957), (389, 1851729), (1167, 617243), (4279, 168339), (12837, 56113)]