9781941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 15178240

約数和(自身を除く): 5396299

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 307, 559, 741, 817, 921, 1677, 2451, 3991, 5833, 10621, 11973, 13201, 17499, 31863, 39603, 75829, 171613, 227487, 250819, 514839, 752457, 3260647, 9781941]

約数ペア:

[(1, 9781941), (3, 3260647), (13, 752457), (19, 514839), (39, 250819), (43, 227487), (57, 171613), (129, 75829), (247, 39603), (307, 31863), (559, 17499), (741, 13201), (817, 11973), (921, 10621), (1677, 5833), (2451, 3991)]