28493451

素因数分解:

$3^5\times 7^2\times {\mathrm{2393}}^1$

素因数の和:2422

約数の個数: 36

約数和(自身を含む): 49670712

約数和(自身を除く): 21177261

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 2393, 3969, 7179, 11907, 16751, 21537, 50253, 64611, 117257, 150759, 193833, 351771, 452277, 581499, 1055313, 1356831, 3165939, 4070493, 9497817, 28493451]

約数ペア:

[(1, 28493451), (3, 9497817), (7, 4070493), (9, 3165939), (21, 1356831), (27, 1055313), (49, 581499), (63, 452277), (81, 351771), (147, 193833), (189, 150759), (243, 117257), (441, 64611), (567, 50253), (1323, 21537), (1701, 16751), (2393, 11907), (3969, 7179)]