28331357145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20755573}}^1$

素因数の和:20755601

約数の個数: 32

約数和(自身を含む): 55790982912

約数和(自身を除く): 27459625767

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 20755573, 62266719, 103777865, 145289011, 269822449, 311333595, 435867033, 726445055, 809467347, 1349112245, 1888757143, 2179335165, 4047336735, 5666271429, 9443785715, 28331357145]

約数ペア:

[(1, 28331357145), (3, 9443785715), (5, 5666271429), (7, 4047336735), (13, 2179335165), (15, 1888757143), (21, 1349112245), (35, 809467347), (39, 726445055), (65, 435867033), (91, 311333595), (105, 269822449), (195, 145289011), (273, 103777865), (455, 62266719), (1365, 20755573)]