64809297

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14489}}^1$

素因数の和:14573

約数の個数: 24

約数和(自身を含む): 108501120

約数和(自身を除く): 43691823

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 14489, 43467, 101423, 130401, 304269, 912807, 1028719, 3086157, 7201033, 9258471, 21603099, 64809297]

約数ペア:

[(1, 64809297), (3, 21603099), (7, 9258471), (9, 7201033), (21, 3086157), (63, 1028719), (71, 912807), (213, 304269), (497, 130401), (639, 101423), (1491, 43467), (4473, 14489)]