42821541

素因数分解:

$3^4\times 7^2\times {\mathrm{10789}}^1$

素因数の和:10815

約数の個数: 30

約数和(自身を含む): 74418630

約数和(自身を除く): 31597089

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10789, 32367, 75523, 97101, 226569, 291303, 528661, 679707, 873909, 1585983, 2039121, 4757949, 6117363, 14273847, 42821541]

約数ペア:

[(1, 42821541), (3, 14273847), (7, 6117363), (9, 4757949), (21, 2039121), (27, 1585983), (49, 873909), (63, 679707), (81, 528661), (147, 291303), (189, 226569), (441, 97101), (567, 75523), (1323, 32367), (3969, 10789)]