81745146

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12756

約数の個数: 64

約数和(自身を含む): 219836160

約数和(自身を除く): 138091014

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 6426, 12721, 25442, 38163, 76326, 89047, 114489, 178094, 216257, 228978, 267141, 343467, 432514, 534282, 648771, 686934, 801423, 1297542, 1513799, 1602846, 1946313, 2404269, 3027598, 3892626, 4541397, 4808538, 5838939, 9082794, 11677878, 13624191, 27248382, 40872573, 81745146]

約数ペア:

[(1, 81745146), (2, 40872573), (3, 27248382), (6, 13624191), (7, 11677878), (9, 9082794), (14, 5838939), (17, 4808538), (18, 4541397), (21, 3892626), (27, 3027598), (34, 2404269), (42, 1946313), (51, 1602846), (54, 1513799), (63, 1297542), (102, 801423), (119, 686934), (126, 648771), (153, 534282), (189, 432514), (238, 343467), (306, 267141), (357, 228978), (378, 216257), (459, 178094), (714, 114489), (918, 89047), (1071, 76326), (2142, 38163), (3213, 25442), (6426, 12721)]