42988239

素因数分解:

$3^4\times 7^2\times {\mathrm{10831}}^1$

素因数の和:10857

約数の個数: 30

約数和(自身を含む): 74708304

約数和(自身を除く): 31720065

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10831, 32493, 75817, 97479, 227451, 292437, 530719, 682353, 877311, 1592157, 2047059, 4776471, 6141177, 14329413, 42988239]

約数ペア:

[(1, 42988239), (3, 14329413), (7, 6141177), (9, 4776471), (21, 2047059), (27, 1592157), (49, 877311), (63, 682353), (81, 530719), (147, 292437), (189, 227451), (441, 97479), (567, 75817), (1323, 32493), (3969, 10831)]