12151215

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 22303008

約数和(自身を除く): 10151793

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 137, 219, 243, 365, 405, 411, 657, 685, 1095, 1215, 1233, 1971, 2055, 3285, 3699, 5913, 6165, 9855, 10001, 11097, 17739, 18495, 29565, 30003, 33291, 50005, 55485, 88695, 90009, 150015, 166455, 270027, 450045, 810081, 1350135, 2430243, 4050405, 12151215]

約数ペア:

[(1, 12151215), (3, 4050405), (5, 2430243), (9, 1350135), (15, 810081), (27, 450045), (45, 270027), (73, 166455), (81, 150015), (135, 90009), (137, 88695), (219, 55485), (243, 50005), (365, 33291), (405, 30003), (411, 29565), (657, 18495), (685, 17739), (1095, 11097), (1215, 10001), (1233, 9855), (1971, 6165), (2055, 5913), (3285, 3699)]