81885654

素因数分解:

$2^1\times 3^7\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 187078080

約数和(自身を除く): 105192426

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 193, 194, 243, 291, 386, 486, 579, 582, 729, 873, 1158, 1458, 1737, 1746, 2187, 2619, 3474, 4374, 5211, 5238, 7857, 10422, 15633, 15714, 18721, 23571, 31266, 37442, 46899, 47142, 56163, 70713, 93798, 112326, 140697, 141426, 168489, 212139, 281394, 336978, 422091, 424278, 505467, 844182, 1010934, 1516401, 3032802, 4549203, 9098406, 13647609, 27295218, 40942827, 81885654]

約数ペア:

[(1, 81885654), (2, 40942827), (3, 27295218), (6, 13647609), (9, 9098406), (18, 4549203), (27, 3032802), (54, 1516401), (81, 1010934), (97, 844182), (162, 505467), (193, 424278), (194, 422091), (243, 336978), (291, 281394), (386, 212139), (486, 168489), (579, 141426), (582, 140697), (729, 112326), (873, 93798), (1158, 70713), (1458, 56163), (1737, 47142), (1746, 46899), (2187, 37442), (2619, 31266), (3474, 23571), (4374, 18721), (5211, 15714), (5238, 15633), (7857, 10422)]