253490571

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{9949}}^1$

素因数の和:10123

約数の個数: 24

約数和(自身を含む): 388050000

約数和(自身を除く): 134559429

約数列:

[1, 3, 9, 19, 57, 149, 171, 447, 1341, 2831, 8493, 9949, 25479, 29847, 89541, 189031, 567093, 1482401, 1701279, 4447203, 13341609, 28165619, 84496857, 253490571]

約数ペア:

[(1, 253490571), (3, 84496857), (9, 28165619), (19, 13341609), (57, 4447203), (149, 1701279), (171, 1482401), (447, 567093), (1341, 189031), (2831, 89541), (8493, 29847), (9949, 25479)]