173689089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{677}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 279444480

約数和(自身を除く): 105755391

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 643, 677, 1929, 2031, 4501, 4739, 12217, 12863, 13503, 14217, 36651, 38589, 85519, 90041, 256557, 270123, 435311, 1305933, 3047177, 8270909, 9141531, 24812727, 57896363, 173689089]

約数ペア:

[(1, 173689089), (3, 57896363), (7, 24812727), (19, 9141531), (21, 8270909), (57, 3047177), (133, 1305933), (399, 435311), (643, 270123), (677, 256557), (1929, 90041), (2031, 85519), (4501, 38589), (4739, 36651), (12217, 14217), (12863, 13503)]