68356305

素因数分解:

$3^4\times 5^1\times {\mathrm{168781}}^1$

素因数の和:168798

約数の個数: 20

約数和(自身を含む): 122535732

約数和(自身を除く): 54179427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 168781, 506343, 843905, 1519029, 2531715, 4557087, 7595145, 13671261, 22785435, 68356305]

約数ペア:

[(1, 68356305), (3, 22785435), (5, 13671261), (9, 7595145), (15, 4557087), (27, 2531715), (45, 1519029), (81, 843905), (135, 506343), (405, 168781)]