206813565

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{13399}}^1$

素因数の和:13431

約数の個数: 48

約数和(自身を含む): 418080000

約数和(自身を除く): 211266435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1715, 2205, 3087, 5145, 13399, 15435, 40197, 66995, 93793, 120591, 200985, 281379, 468965, 602955, 656551, 844137, 1406895, 1969653, 3282755, 4220685, 4595857, 5908959, 9848265, 13787571, 22979285, 29544795, 41362713, 68937855, 206813565]

約数ペア:

[(1, 206813565), (3, 68937855), (5, 41362713), (7, 29544795), (9, 22979285), (15, 13787571), (21, 9848265), (35, 5908959), (45, 4595857), (49, 4220685), (63, 3282755), (105, 1969653), (147, 1406895), (245, 844137), (315, 656551), (343, 602955), (441, 468965), (735, 281379), (1029, 200985), (1715, 120591), (2205, 93793), (3087, 66995), (5145, 40197), (13399, 15435)]