3981131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 5011200

約数和(自身を除く): 1030069

約数列:

[1, 7, 11, 77, 149, 347, 1043, 1639, 2429, 3817, 11473, 26719, 51703, 361921, 568733, 3981131]

約数ペア:

[(1, 3981131), (7, 568733), (11, 361921), (77, 51703), (149, 26719), (347, 11473), (1043, 3817), (1639, 2429)]