15207381

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1213}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 25251200

約数和(自身を除く): 10043819

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1213, 1393, 1791, 3639, 4179, 8491, 10917, 12537, 25473, 76419, 241387, 724161, 1689709, 2172483, 5069127, 15207381]

約数ペア:

[(1, 15207381), (3, 5069127), (7, 2172483), (9, 1689709), (21, 724161), (63, 241387), (199, 76419), (597, 25473), (1213, 12537), (1393, 10917), (1791, 8491), (3639, 4179)]