72123345

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{10903}}^1$

素因数の和:10931

約数の個数: 48

約数和(自身を含む): 149166720

約数和(自身を除く): 77043375

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 10903, 32709, 54515, 76321, 98127, 163545, 228963, 294381, 381605, 490635, 534247, 686889, 1144815, 1471905, 1602741, 2060667, 2671235, 3434445, 4808223, 8013705, 10303335, 14424669, 24041115, 72123345]

約数ペア:

[(1, 72123345), (3, 24041115), (5, 14424669), (7, 10303335), (9, 8013705), (15, 4808223), (21, 3434445), (27, 2671235), (35, 2060667), (45, 1602741), (49, 1471905), (63, 1144815), (105, 686889), (135, 534247), (147, 490635), (189, 381605), (245, 294381), (315, 228963), (441, 163545), (735, 98127), (945, 76321), (1323, 54515), (2205, 32709), (6615, 10903)]