28216653

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21523}}^1$

素因数の和:21568

約数の個数: 16

約数和(自身を含む): 41326080

約数和(自身を除く): 13109427

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21523, 64569, 408937, 495029, 1226811, 1485087, 9405551, 28216653]

約数ペア:

[(1, 28216653), (3, 9405551), (19, 1485087), (23, 1226811), (57, 495029), (69, 408937), (437, 64569), (1311, 21523)]