12505815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 26339040

約数和(自身を除く): 13833225

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 37, 45, 63, 87, 105, 111, 145, 185, 203, 259, 261, 315, 333, 435, 555, 609, 777, 1015, 1073, 1295, 1305, 1369, 1665, 1827, 2331, 3045, 3219, 3885, 4107, 5365, 6845, 7511, 9135, 9583, 9657, 11655, 12321, 16095, 20535, 22533, 28749, 37555, 39701, 47915, 48285, 61605, 67599, 86247, 112665, 119103, 143745, 198505, 277907, 337995, 357309, 431235, 595515, 833721, 1389535, 1786545, 2501163, 4168605, 12505815]

約数ペア:

[(1, 12505815), (3, 4168605), (5, 2501163), (7, 1786545), (9, 1389535), (15, 833721), (21, 595515), (29, 431235), (35, 357309), (37, 337995), (45, 277907), (63, 198505), (87, 143745), (105, 119103), (111, 112665), (145, 86247), (185, 67599), (203, 61605), (259, 48285), (261, 47915), (315, 39701), (333, 37555), (435, 28749), (555, 22533), (609, 20535), (777, 16095), (1015, 12321), (1073, 11655), (1295, 9657), (1305, 9583), (1369, 9135), (1665, 7511), (1827, 6845), (2331, 5365), (3045, 4107), (3219, 3885)]