64921815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29443}}^1$

素因数の和:29468

約数の個数: 36

約数和(自身を含む): 130908024

約数和(自身を除く): 65986209

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 29443, 88329, 147215, 206101, 264987, 441645, 618303, 1030505, 1324935, 1442707, 1854909, 3091515, 4328121, 7213535, 9274545, 12984363, 21640605, 64921815]

約数ペア:

[(1, 64921815), (3, 21640605), (5, 12984363), (7, 9274545), (9, 7213535), (15, 4328121), (21, 3091515), (35, 1854909), (45, 1442707), (49, 1324935), (63, 1030505), (105, 618303), (147, 441645), (245, 264987), (315, 206101), (441, 147215), (735, 88329), (2205, 29443)]