207725271

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1423}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 315786240

約数和(自身を除く): 108060969

約数列:

[1, 3, 13, 19, 39, 57, 197, 247, 591, 741, 1423, 2561, 3743, 4269, 7683, 11229, 18499, 27037, 48659, 55497, 81111, 145977, 280331, 351481, 840993, 1054443, 3644303, 5326289, 10932909, 15978867, 69241757, 207725271]

約数ペア:

[(1, 207725271), (3, 69241757), (13, 15978867), (19, 10932909), (39, 5326289), (57, 3644303), (197, 1054443), (247, 840993), (591, 351481), (741, 280331), (1423, 145977), (2561, 81111), (3743, 55497), (4269, 48659), (7683, 27037), (11229, 18499)]