129021405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 217736064

約数和(自身を除く): 88714659

約数列:

[1, 3, 5, 15, 37, 61, 103, 111, 183, 185, 305, 309, 515, 555, 915, 1369, 1545, 2257, 3811, 4107, 6283, 6771, 6845, 11285, 11433, 18849, 19055, 20535, 31415, 33855, 57165, 83509, 94245, 141007, 232471, 250527, 417545, 423021, 697413, 705035, 1162355, 1252635, 2115105, 3487065, 8601427, 25804281, 43007135, 129021405]

約数ペア:

[(1, 129021405), (3, 43007135), (5, 25804281), (15, 8601427), (37, 3487065), (61, 2115105), (103, 1252635), (111, 1162355), (183, 705035), (185, 697413), (305, 423021), (309, 417545), (515, 250527), (555, 232471), (915, 141007), (1369, 94245), (1545, 83509), (2257, 57165), (3811, 33855), (4107, 31415), (6283, 20535), (6771, 19055), (6845, 18849), (11285, 11433)]