381381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 688128

約数和(自身を除く): 306747

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 127, 143, 231, 273, 381, 429, 889, 1001, 1397, 1651, 2667, 3003, 4191, 4953, 9779, 11557, 18161, 29337, 34671, 54483, 127127, 381381]

約数ペア:

[(1, 381381), (3, 127127), (7, 54483), (11, 34671), (13, 29337), (21, 18161), (33, 11557), (39, 9779), (77, 4953), (91, 4191), (127, 3003), (143, 2667), (231, 1651), (273, 1397), (381, 1001), (429, 889)]