81269511

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 117199872

約数和(自身を除く): 35930361

約数列:

[1, 3, 23, 53, 69, 71, 159, 213, 313, 939, 1219, 1633, 3657, 3763, 4899, 7199, 11289, 16589, 21597, 22223, 49767, 66669, 86549, 259647, 381547, 511129, 1144641, 1177819, 1533387, 3533457, 27089837, 81269511]

約数ペア:

[(1, 81269511), (3, 27089837), (23, 3533457), (53, 1533387), (69, 1177819), (71, 1144641), (159, 511129), (213, 381547), (313, 259647), (939, 86549), (1219, 66669), (1633, 49767), (3657, 22223), (3763, 21597), (4899, 16589), (7199, 11289)]