19671729

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85159}}^1$

素因数の和:85180

約数の個数: 16

約数和(自身を含む): 32701440

約数和(自身を除く): 13029711

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 85159, 255477, 596113, 936749, 1788339, 2810247, 6557243, 19671729]

約数ペア:

[(1, 19671729), (3, 6557243), (7, 2810247), (11, 1788339), (21, 936749), (33, 596113), (77, 255477), (231, 85159)]