173889387

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20792

約数の個数: 36

約数和(自身を含む): 307574280

約数和(自身を除く): 133684893

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 20753, 62259, 145271, 186777, 394307, 435813, 1016897, 1182921, 1307439, 2760149, 3050691, 3548763, 8280447, 9152073, 19321043, 24841341, 57963129, 173889387]

約数ペア:

[(1, 173889387), (3, 57963129), (7, 24841341), (9, 19321043), (19, 9152073), (21, 8280447), (49, 3548763), (57, 3050691), (63, 2760149), (133, 1307439), (147, 1182921), (171, 1016897), (399, 435813), (441, 394307), (931, 186777), (1197, 145271), (2793, 62259), (8379, 20753)]