2686941

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 4077216

約数和(自身を除く): 1390275

約数列:

[1, 3, 9, 43, 53, 129, 131, 159, 387, 393, 477, 1179, 2279, 5633, 6837, 6943, 16899, 20511, 20829, 50697, 62487, 298549, 895647, 2686941]

約数ペア:

[(1, 2686941), (3, 895647), (9, 298549), (43, 62487), (53, 50697), (129, 20829), (131, 20511), (159, 16899), (387, 6943), (393, 6837), (477, 5633), (1179, 2279)]