81908169

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2677}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 131629056

約数和(自身を除く): 49720887

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 651, 987, 1457, 2677, 4371, 8031, 10199, 18739, 30597, 56217, 82987, 125819, 248961, 377457, 580909, 880733, 1742727, 2642199, 3900389, 11701167, 27302723, 81908169]

約数ペア:

[(1, 81908169), (3, 27302723), (7, 11701167), (21, 3900389), (31, 2642199), (47, 1742727), (93, 880733), (141, 580909), (217, 377457), (329, 248961), (651, 125819), (987, 82987), (1457, 56217), (2677, 30597), (4371, 18739), (8031, 10199)]