28975779

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8069}}^1$

素因数の和:8104

約数の個数: 32

約数和(自身を含む): 51648000

約数和(自身を除く): 22672221

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 8069, 24207, 56483, 72621, 153311, 169449, 217863, 459933, 508347, 1073177, 1379799, 1525041, 3219531, 4139397, 9658593, 28975779]

約数ペア:

[(1, 28975779), (3, 9658593), (7, 4139397), (9, 3219531), (19, 1525041), (21, 1379799), (27, 1073177), (57, 508347), (63, 459933), (133, 217863), (171, 169449), (189, 153311), (399, 72621), (513, 56483), (1197, 24207), (3591, 8069)]