80691471

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2413

約数の個数: 40

約数和(自身を含む): 140077344

約数和(自身を除く): 59385873

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 2333, 3843, 4941, 6999, 11529, 16331, 20997, 34587, 48993, 62991, 142313, 146979, 188973, 426939, 440937, 996191, 1280817, 1322811, 2988573, 3842451, 8965719, 11527353, 26897157, 80691471]

約数ペア:

[(1, 80691471), (3, 26897157), (7, 11527353), (9, 8965719), (21, 3842451), (27, 2988573), (61, 1322811), (63, 1280817), (81, 996191), (183, 440937), (189, 426939), (427, 188973), (549, 146979), (567, 142313), (1281, 62991), (1647, 48993), (2333, 34587), (3843, 20997), (4941, 16331), (6999, 11529)]