28914651

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{733}}^1$

素因数の和:1232

約数の個数: 20

約数和(自身を含む): 43341232

約数和(自身を除く): 14426581

約数列:

[1, 3, 9, 27, 81, 487, 733, 1461, 2199, 4383, 6597, 13149, 19791, 39447, 59373, 356971, 1070913, 3212739, 9638217, 28914651]

約数ペア:

[(1, 28914651), (3, 9638217), (9, 3212739), (27, 1070913), (81, 356971), (487, 59373), (733, 39447), (1461, 19791), (2199, 13149), (4383, 6597)]