28756377

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{9103}}^1$

素因数の和:9131

約数の個数: 24

約数和(自身を含む): 46393984

約数和(自身を除く): 17637607

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 9103, 27309, 81927, 118339, 245781, 355017, 737343, 1065051, 2212029, 3195153, 9585459, 28756377]

約数ペア:

[(1, 28756377), (3, 9585459), (9, 3195153), (13, 2212029), (27, 1065051), (39, 737343), (81, 355017), (117, 245781), (243, 118339), (351, 81927), (1053, 27309), (3159, 9103)]