289490817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1949}}^1$

素因数の和:2613

約数の個数: 32

約数和(自身を含む): 482227200

約数和(自身を除く): 192736383

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 643, 1929, 1949, 4501, 5847, 7073, 13503, 13643, 21219, 21439, 40929, 49511, 64317, 148533, 150073, 450219, 1253207, 3759621, 8772449, 13785277, 26317347, 41355831, 96496939, 289490817]

約数ペア:

[(1, 289490817), (3, 96496939), (7, 41355831), (11, 26317347), (21, 13785277), (33, 8772449), (77, 3759621), (231, 1253207), (643, 450219), (1929, 150073), (1949, 148533), (4501, 64317), (5847, 49511), (7073, 40929), (13503, 21439), (13643, 21219)]