72227457

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{1831}}^1$

素因数の和:2330

約数の個数: 20

約数和(自身を含む): 108175936

約数和(自身を除く): 35948479

約数列:

[1, 3, 9, 27, 81, 487, 1461, 1831, 4383, 5493, 13149, 16479, 39447, 49437, 148311, 891697, 2675091, 8025273, 24075819, 72227457]

約数ペア:

[(1, 72227457), (3, 24075819), (9, 8025273), (27, 2675091), (81, 891697), (487, 148311), (1461, 49437), (1831, 39447), (4383, 16479), (5493, 13149)]