16749531

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 9101349

約数列:

[1, 3, 9, 27, 47, 67, 141, 197, 201, 423, 591, 603, 1269, 1773, 1809, 3149, 5319, 9259, 9447, 13199, 27777, 28341, 39597, 83331, 85023, 118791, 249993, 356373, 620353, 1861059, 5583177, 16749531]

約数ペア:

[(1, 16749531), (3, 5583177), (9, 1861059), (27, 620353), (47, 356373), (67, 249993), (141, 118791), (197, 85023), (201, 83331), (423, 39597), (591, 28341), (603, 27777), (1269, 13199), (1773, 9447), (1809, 9259), (3149, 5319)]