55564815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 91593216

約数和(自身を除く): 36028401

約数列:

[1, 3, 5, 15, 43, 129, 215, 277, 311, 645, 831, 933, 1385, 1555, 4155, 4665, 11911, 13373, 35733, 40119, 59555, 66865, 86147, 178665, 200595, 258441, 430735, 1292205, 3704321, 11112963, 18521605, 55564815]

約数ペア:

[(1, 55564815), (3, 18521605), (5, 11112963), (15, 3704321), (43, 1292205), (129, 430735), (215, 258441), (277, 200595), (311, 178665), (645, 86147), (831, 66865), (933, 59555), (1385, 40119), (1555, 35733), (4155, 13373), (4665, 11911)]