23639895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 44204160

約数和(自身を除く): 20564265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 643, 645, 817, 855, 1929, 1935, 2451, 3215, 4085, 5787, 7353, 9645, 12217, 12255, 27649, 28935, 36651, 36765, 61085, 82947, 109953, 138245, 183255, 248841, 414735, 525331, 549765, 1244205, 1575993, 2626655, 4727979, 7879965, 23639895]

約数ペア:

[(1, 23639895), (3, 7879965), (5, 4727979), (9, 2626655), (15, 1575993), (19, 1244205), (43, 549765), (45, 525331), (57, 414735), (95, 248841), (129, 183255), (171, 138245), (215, 109953), (285, 82947), (387, 61085), (643, 36765), (645, 36651), (817, 28935), (855, 27649), (1929, 12255), (1935, 12217), (2451, 9645), (3215, 7353), (4085, 5787)]