28776573

素因数分解:

$3^3\times 7^2\times {\mathrm{21751}}^1$

素因数の和:21774

約数の個数: 24

約数和(自身を含む): 49594560

約数和(自身を除く): 20817987

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21751, 65253, 152257, 195759, 456771, 587277, 1065799, 1370313, 3197397, 4110939, 9592191, 28776573]

約数ペア:

[(1, 28776573), (3, 9592191), (7, 4110939), (9, 3197397), (21, 1370313), (27, 1065799), (49, 587277), (63, 456771), (147, 195759), (189, 152257), (441, 65253), (1323, 21751)]