247923771

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 350853120

約数和(自身を除く): 102929349

約数列:

[1, 3, 31, 53, 93, 159, 179, 281, 537, 843, 1643, 4929, 5549, 8711, 9487, 14893, 16647, 26133, 28461, 44679, 50299, 150897, 294097, 461683, 882291, 1385049, 1559269, 2665847, 4677807, 7997541, 82641257, 247923771]

約数ペア:

[(1, 247923771), (3, 82641257), (31, 7997541), (53, 4677807), (93, 2665847), (159, 1559269), (179, 1385049), (281, 882291), (537, 461683), (843, 294097), (1643, 150897), (4929, 50299), (5549, 44679), (8711, 28461), (9487, 26133), (14893, 16647)]