12873555

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6653}}^1$

素因数の和:6707

約数の個数: 24

約数和(自身を含む): 22836528

約数和(自身を除く): 9962973

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6653, 19959, 33265, 59877, 99795, 286079, 299385, 858237, 1430395, 2574711, 4291185, 12873555]

約数ペア:

[(1, 12873555), (3, 4291185), (5, 2574711), (9, 1430395), (15, 858237), (43, 299385), (45, 286079), (129, 99795), (215, 59877), (387, 33265), (645, 19959), (1935, 6653)]