28683207

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3229}}^1$

素因数の和:3292

約数の個数: 32

約数和(自身を含む): 49612800

約数和(自身を除く): 20929593

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3229, 8883, 9687, 22603, 29061, 67809, 87183, 151763, 203427, 455289, 610281, 1062341, 1365867, 3187023, 4097601, 9561069, 28683207]

約数ペア:

[(1, 28683207), (3, 9561069), (7, 4097601), (9, 3187023), (21, 1365867), (27, 1062341), (47, 610281), (63, 455289), (141, 203427), (189, 151763), (329, 87183), (423, 67809), (987, 29061), (1269, 22603), (2961, 9687), (3229, 8883)]