9721311

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 13368960

約数和(自身を除く): 3647649

約数列:

[1, 3, 43, 129, 179, 421, 537, 1263, 7697, 18103, 23091, 54309, 75359, 226077, 3240437, 9721311]

約数ペア:

[(1, 9721311), (3, 3240437), (43, 226077), (129, 75359), (179, 54309), (421, 23091), (537, 18103), (1263, 7697)]