28076853

素因数分解:

$3^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 43748640

約数和(自身を除く): 15671787

約数列:

[1, 3, 7, 21, 49, 147, 389, 491, 1167, 1473, 2723, 3437, 8169, 10311, 19061, 24059, 57183, 72177, 190999, 572997, 1336993, 4010979, 9358951, 28076853]

約数ペア:

[(1, 28076853), (3, 9358951), (7, 4010979), (21, 1336993), (49, 572997), (147, 190999), (389, 72177), (491, 57183), (1167, 24059), (1473, 19061), (2723, 10311), (3437, 8169)]