15672821787

素因数分解:

$3^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{46771}}^1$

素因数の和:46990

約数の個数: 48

約数和(自身を含む): 26967612672

約数和(自身を除く): 11294790885

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 197, 243, 567, 591, 1379, 1701, 1773, 4137, 5319, 12411, 15957, 37233, 46771, 47871, 111699, 140313, 327397, 335097, 420939, 982191, 1262817, 2946573, 3788451, 8839719, 9213887, 11365353, 26519157, 27641661, 64497209, 79557471, 82924983, 193491627, 248774949, 580474881, 746324847, 1741424643, 2238974541, 5224273929, 15672821787]

約数ペア:

[(1, 15672821787), (3, 5224273929), (7, 2238974541), (9, 1741424643), (21, 746324847), (27, 580474881), (63, 248774949), (81, 193491627), (189, 82924983), (197, 79557471), (243, 64497209), (567, 27641661), (591, 26519157), (1379, 11365353), (1701, 9213887), (1773, 8839719), (4137, 3788451), (5319, 2946573), (12411, 1262817), (15957, 982191), (37233, 420939), (46771, 335097), (47871, 327397), (111699, 140313)]