2536191

素因数分解:

$3^6\times 7^2\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 42

約数和(自身を含む): 4485672

約数和(自身を除く): 1949481

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 243, 441, 497, 567, 639, 729, 1323, 1491, 1701, 1917, 3479, 3969, 4473, 5103, 5751, 10437, 11907, 13419, 17253, 31311, 35721, 40257, 51759, 93933, 120771, 281799, 362313, 845397, 2536191]

約数ペア:

[(1, 2536191), (3, 845397), (7, 362313), (9, 281799), (21, 120771), (27, 93933), (49, 51759), (63, 40257), (71, 35721), (81, 31311), (147, 17253), (189, 13419), (213, 11907), (243, 10437), (441, 5751), (497, 5103), (567, 4473), (639, 3969), (729, 3479), (1323, 1917), (1491, 1701)]