20921625189

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{6397}}^1$

素因数の和:6768

約数の個数: 48

約数和(自身を含む): 32175695552

約数和(自身を除く): 11254070363

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 313, 387, 939, 1161, 2817, 3483, 6397, 8451, 10449, 13459, 19191, 25353, 40377, 57573, 76059, 121131, 172719, 275071, 363393, 518157, 825213, 1090179, 1554471, 2002261, 2475639, 3270537, 6006783, 7426917, 18020349, 22280751, 54061047, 66842253, 86097223, 162183141, 258291669, 486549423, 774875007, 2324625021, 6973875063, 20921625189]

約数ペア:

[(1, 20921625189), (3, 6973875063), (9, 2324625021), (27, 774875007), (43, 486549423), (81, 258291669), (129, 162183141), (243, 86097223), (313, 66842253), (387, 54061047), (939, 22280751), (1161, 18020349), (2817, 7426917), (3483, 6006783), (6397, 3270537), (8451, 2475639), (10449, 2002261), (13459, 1554471), (19191, 1090179), (25353, 825213), (40377, 518157), (57573, 363393), (76059, 275071), (121131, 172719)]