86961681

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 32

約数和(自身を含む): 138153600

約数和(自身を除く): 51191919

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 2187, 2339, 4131, 7017, 12393, 21051, 37179, 39763, 63153, 119289, 189459, 357867, 568377, 1073601, 1705131, 3220803, 5115393, 9662409, 28987227, 86961681]

約数ペア:

[(1, 86961681), (3, 28987227), (9, 9662409), (17, 5115393), (27, 3220803), (51, 1705131), (81, 1073601), (153, 568377), (243, 357867), (459, 189459), (729, 119289), (1377, 63153), (2187, 39763), (2339, 37179), (4131, 21051), (7017, 12393)]