28786653

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{24049}}^1$

素因数の和:24081

約数の個数: 24

約数和(自身を含む): 50024000

約数和(自身を除く): 21237347

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 24049, 72147, 168343, 216441, 456931, 505029, 1370793, 1515087, 3198517, 4112379, 9595551, 28786653]

約数ペア:

[(1, 28786653), (3, 9595551), (7, 4112379), (9, 3198517), (19, 1515087), (21, 1370793), (57, 505029), (63, 456931), (133, 216441), (171, 168343), (399, 72147), (1197, 24049)]