819891891

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1001089}}^1$

素因数の和:1001115

約数の個数: 24

約数和(自身を含む): 1457587040

約数和(自身を除く): 637695149

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 1001089, 3003267, 7007623, 9009801, 13014157, 21022869, 39042471, 63068607, 91099099, 117127413, 273297297, 819891891]

約数ペア:

[(1, 819891891), (3, 273297297), (7, 117127413), (9, 91099099), (13, 63068607), (21, 39042471), (39, 21022869), (63, 13014157), (91, 9009801), (117, 7007623), (273, 3003267), (819, 1001089)]