28420257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12161}}^1$

素因数の和:12224

約数の個数: 16

約数和(自身を含む): 40864320

約数和(自身を除く): 12444063

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 12161, 36483, 231059, 498601, 693177, 1495803, 9473419, 28420257]

約数ペア:

[(1, 28420257), (3, 9473419), (19, 1495803), (41, 693177), (57, 498601), (123, 231059), (779, 36483), (2337, 12161)]