15561545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 20995200

約数和(自身を除く): 5433655

約数列:

[1, 5, 17, 29, 59, 85, 107, 145, 295, 493, 535, 1003, 1711, 1819, 2465, 3103, 5015, 6313, 8555, 9095, 15515, 29087, 31565, 52751, 107321, 145435, 183077, 263755, 536605, 915385, 3112309, 15561545]

約数ペア:

[(1, 15561545), (5, 3112309), (17, 915385), (29, 536605), (59, 263755), (85, 183077), (107, 145435), (145, 107321), (295, 52751), (493, 31565), (535, 29087), (1003, 15515), (1711, 9095), (1819, 8555), (2465, 6313), (3103, 5015)]