858706947

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 1499407360

約数和(自身を除く): 640700413

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 157, 189, 301, 387, 471, 673, 903, 1099, 1161, 1413, 2019, 2709, 3297, 4239, 4711, 6057, 6751, 8127, 9891, 14133, 18171, 20253, 28939, 29673, 42399, 47257, 60759, 86817, 105661, 127197, 141771, 182277, 202573, 260451, 316983, 425313, 607719, 739627, 781353, 950949, 1275939, 1823157, 2218881, 2852847, 4543423, 5469471, 6656643, 13630269, 19969929, 31803961, 40890807, 95411883, 122672421, 286235649, 858706947]

約数ペア:

[(1, 858706947), (3, 286235649), (7, 122672421), (9, 95411883), (21, 40890807), (27, 31803961), (43, 19969929), (63, 13630269), (129, 6656643), (157, 5469471), (189, 4543423), (301, 2852847), (387, 2218881), (471, 1823157), (673, 1275939), (903, 950949), (1099, 781353), (1161, 739627), (1413, 607719), (2019, 425313), (2709, 316983), (3297, 260451), (4239, 202573), (4711, 182277), (6057, 141771), (6751, 127197), (8127, 105661), (9891, 86817), (14133, 60759), (18171, 47257), (20253, 42399), (28939, 29673)]