286869891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17491}}^1$

素因数の和:17583

約数の個数: 32

約数和(自身を含む): 483618816

約数和(自身を除く): 196748925

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 17491, 52473, 122437, 192401, 367311, 577203, 1241861, 1346807, 3725583, 4040421, 8693027, 13660471, 26079081, 40981413, 95623297, 286869891]

約数ペア:

[(1, 286869891), (3, 95623297), (7, 40981413), (11, 26079081), (21, 13660471), (33, 8693027), (71, 4040421), (77, 3725583), (213, 1346807), (231, 1241861), (497, 577203), (781, 367311), (1491, 192401), (2343, 122437), (5467, 52473), (16401, 17491)]