86718519

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{5981}}^1$

素因数の和:6172

約数の個数: 20

約数和(自身を含む): 130287960

約数和(自身を除く): 43569441

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 5981, 14499, 17943, 53829, 161487, 484461, 1070599, 3211797, 9635391, 28906173, 86718519]

約数ペア:

[(1, 86718519), (3, 28906173), (9, 9635391), (27, 3211797), (81, 1070599), (179, 484461), (537, 161487), (1611, 53829), (4833, 17943), (5981, 14499)]