51531381

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1663}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 81509376

約数和(自身を除く): 29977995

約数列:

[1, 3, 9, 11, 33, 99, 313, 939, 1663, 2817, 3443, 4989, 10329, 14967, 18293, 30987, 54879, 164637, 520519, 1561557, 4684671, 5725709, 17177127, 51531381]

約数ペア:

[(1, 51531381), (3, 17177127), (9, 5725709), (11, 4684671), (33, 1561557), (99, 520519), (313, 164637), (939, 54879), (1663, 30987), (2817, 18293), (3443, 14967), (4989, 10329)]