81344169

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 129634560

約数和(自身を除く): 48290391

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 423, 621, 929, 1081, 1269, 1863, 2787, 3243, 3807, 8361, 9729, 21367, 25083, 29187, 43663, 64101, 75249, 87561, 130989, 192303, 392967, 576909, 1004249, 1178901, 1730727, 3012747, 3536703, 9038241, 27114723, 81344169]

約数ペア:

[(1, 81344169), (3, 27114723), (9, 9038241), (23, 3536703), (27, 3012747), (47, 1730727), (69, 1178901), (81, 1004249), (141, 576909), (207, 392967), (423, 192303), (621, 130989), (929, 87561), (1081, 75249), (1269, 64101), (1863, 43663), (2787, 29187), (3243, 25083), (3807, 21367), (8361, 9729)]