31201281

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2551}}^1$

素因数の和:2714

約数の個数: 20

約数和(自身を含む): 46936384

約数和(自身を除く): 15735103

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2551, 4077, 7653, 12231, 22959, 68877, 206631, 385201, 1155603, 3466809, 10400427, 31201281]

約数ペア:

[(1, 31201281), (3, 10400427), (9, 3466809), (27, 1155603), (81, 385201), (151, 206631), (453, 68877), (1359, 22959), (2551, 12231), (4077, 7653)]