1282785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 2472960

約数和(自身を除く): 1190175

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 643, 665, 1929, 1995, 3215, 4501, 9645, 12217, 13503, 22505, 36651, 61085, 67515, 85519, 183255, 256557, 427595, 1282785]

約数ペア:

[(1, 1282785), (3, 427595), (5, 256557), (7, 183255), (15, 85519), (19, 67515), (21, 61085), (35, 36651), (57, 22505), (95, 13503), (105, 12217), (133, 9645), (285, 4501), (399, 3215), (643, 1995), (665, 1929)]