28331793

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23669}}^1$

素因数の和:23701

約数の個数: 24

約数和(自身を含む): 49233600

約数和(自身を除く): 20901807

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23669, 71007, 165683, 213021, 449711, 497049, 1349133, 1491147, 3147977, 4047399, 9443931, 28331793]

約数ペア:

[(1, 28331793), (3, 9443931), (7, 4047399), (9, 3147977), (19, 1491147), (21, 1349133), (57, 497049), (63, 449711), (133, 213021), (171, 165683), (399, 71007), (1197, 23669)]