12315215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 16730064

約数和(自身を除く): 4414849

約数列:

[1, 5, 11, 31, 55, 155, 233, 341, 961, 1165, 1705, 2563, 4805, 7223, 10571, 12815, 36115, 52855, 79453, 223913, 397265, 1119565, 2463043, 12315215]

約数ペア:

[(1, 12315215), (5, 2463043), (11, 1119565), (31, 397265), (55, 223913), (155, 79453), (233, 52855), (341, 36115), (961, 12815), (1165, 10571), (1705, 7223), (2563, 4805)]