278190045

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{10903}}^1$

素因数の和:10933

約数の個数: 56

約数和(自身を含む): 572067456

約数和(自身を除く): 293877411

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3645, 5103, 8505, 10903, 25515, 32709, 54515, 76321, 98127, 163545, 228963, 294381, 381605, 490635, 686889, 883143, 1144815, 1471905, 2060667, 2649429, 3434445, 4415715, 6182001, 7948287, 10303335, 13247145, 18546003, 30910005, 39741435, 55638009, 92730015, 278190045]

約数ペア:

[(1, 278190045), (3, 92730015), (5, 55638009), (7, 39741435), (9, 30910005), (15, 18546003), (21, 13247145), (27, 10303335), (35, 7948287), (45, 6182001), (63, 4415715), (81, 3434445), (105, 2649429), (135, 2060667), (189, 1471905), (243, 1144815), (315, 883143), (405, 686889), (567, 490635), (729, 381605), (945, 294381), (1215, 228963), (1701, 163545), (2835, 98127), (3645, 76321), (5103, 54515), (8505, 32709), (10903, 25515)]