17680635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 36874656

約数和(自身を除く): 19194021

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 41, 45, 63, 105, 111, 123, 185, 205, 259, 287, 315, 333, 369, 555, 615, 777, 861, 1295, 1369, 1435, 1517, 1665, 1845, 2331, 2583, 3885, 4107, 4305, 4551, 6845, 7585, 9583, 10619, 11655, 12321, 12915, 13653, 20535, 22755, 28749, 31857, 47915, 53095, 56129, 61605, 68265, 86247, 95571, 143745, 159285, 168387, 280645, 392903, 431235, 477855, 505161, 841935, 1178709, 1964515, 2525805, 3536127, 5893545, 17680635]

約数ペア:

[(1, 17680635), (3, 5893545), (5, 3536127), (7, 2525805), (9, 1964515), (15, 1178709), (21, 841935), (35, 505161), (37, 477855), (41, 431235), (45, 392903), (63, 280645), (105, 168387), (111, 159285), (123, 143745), (185, 95571), (205, 86247), (259, 68265), (287, 61605), (315, 56129), (333, 53095), (369, 47915), (555, 31857), (615, 28749), (777, 22755), (861, 20535), (1295, 13653), (1369, 12915), (1435, 12321), (1517, 11655), (1665, 10619), (1845, 9583), (2331, 7585), (2583, 6845), (3885, 4551), (4107, 4305)]