138678318

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{20879}}^1$

素因数の和:20934

約数の個数: 40

約数和(自身を含む): 318336480

約数和(自身を除く): 179658162

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642, 20879, 41758, 62637, 125274, 187911, 375822, 563733, 856039, 1127466, 1691199, 1712078, 2568117, 3382398, 5136234, 7704351, 15408702, 23113053, 46226106, 69339159, 138678318]

約数ペア:

[(1, 138678318), (2, 69339159), (3, 46226106), (6, 23113053), (9, 15408702), (18, 7704351), (27, 5136234), (41, 3382398), (54, 2568117), (81, 1712078), (82, 1691199), (123, 1127466), (162, 856039), (246, 563733), (369, 375822), (738, 187911), (1107, 125274), (2214, 62637), (3321, 41758), (6642, 20879)]