28521477

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1814

約数の個数: 20

約数和(自身を含む): 42824320

約数和(自身を除く): 14302843

約数列:

[1, 3, 9, 27, 81, 223, 669, 1579, 2007, 4737, 6021, 14211, 18063, 42633, 127899, 352117, 1056351, 3169053, 9507159, 28521477]

約数ペア:

[(1, 28521477), (3, 9507159), (9, 3169053), (27, 1056351), (81, 352117), (223, 127899), (669, 42633), (1579, 18063), (2007, 14211), (4737, 6021)]