28047339

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 41502032

約数和(自身を除く): 13454693

約数列:

[1, 3, 9, 67, 193, 201, 241, 579, 603, 723, 1737, 2169, 12931, 16147, 38793, 46513, 48441, 116379, 139539, 145323, 418617, 3116371, 9349113, 28047339]

約数ペア:

[(1, 28047339), (3, 9349113), (9, 3116371), (67, 418617), (193, 145323), (201, 139539), (241, 116379), (579, 48441), (603, 46513), (723, 38793), (1737, 16147), (2169, 12931)]