81555955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{33911}}^1$

素因数の和:33966

約数の個数: 16

約数和(自身を含む): 108247104

約数和(自身を除く): 26691149

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 33911, 169555, 440843, 1254707, 2204215, 6273535, 16311191, 81555955]

約数ペア:

[(1, 81555955), (5, 16311191), (13, 6273535), (37, 2204215), (65, 1254707), (185, 440843), (481, 169555), (2405, 33911)]