86960871

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15204

約数の個数: 20

約数和(自身を含む): 131742864

約数和(自身を除く): 44781993

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 15121, 45363, 136089, 408267, 1073591, 1224801, 3220773, 9662319, 28986957, 86960871]

約数ペア:

[(1, 86960871), (3, 28986957), (9, 9662319), (27, 3220773), (71, 1224801), (81, 1073591), (213, 408267), (639, 136089), (1917, 45363), (5751, 15121)]