1728069

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 2856960

約数和(自身を除く): 1128891

約数列:

[1, 3, 7, 19, 21, 57, 61, 71, 133, 183, 213, 399, 427, 497, 1159, 1281, 1349, 1491, 3477, 4047, 4331, 8113, 9443, 12993, 24339, 28329, 30317, 82289, 90951, 246867, 576023, 1728069]

約数ペア:

[(1, 1728069), (3, 576023), (7, 246867), (19, 90951), (21, 82289), (57, 30317), (61, 28329), (71, 24339), (133, 12993), (183, 9443), (213, 8113), (399, 4331), (427, 4047), (497, 3477), (1159, 1491), (1281, 1349)]