128571004815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1905179}}^1$

素因数の和:1905607

約数の個数: 32

約数和(自身を含む): 224963654400

約数和(自身を除く): 96392649585

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 409, 1227, 2045, 4499, 6135, 13497, 22495, 67485, 1905179, 5715537, 9525895, 20956969, 28577685, 62870907, 104784845, 314354535, 779218211, 2337654633, 3896091055, 8571400321, 11688273165, 25714200963, 42857001605, 128571004815]

約数ペア:

[(1, 128571004815), (3, 42857001605), (5, 25714200963), (11, 11688273165), (15, 8571400321), (33, 3896091055), (55, 2337654633), (165, 779218211), (409, 314354535), (1227, 104784845), (2045, 62870907), (4499, 28577685), (6135, 20956969), (13497, 9525895), (22495, 5715537), (67485, 1905179)]