291228723

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3533}}^1$

素因数の和:3656

約数の個数: 32

約数和(自身を含む): 447828480

約数和(自身を除く): 156599757

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1917, 3053, 3533, 9159, 10599, 27477, 31797, 82431, 95391, 151919, 250843, 455757, 752529, 1367271, 2257587, 4101813, 6772761, 10786249, 32358747, 97076241, 291228723]

約数ペア:

[(1, 291228723), (3, 97076241), (9, 32358747), (27, 10786249), (43, 6772761), (71, 4101813), (129, 2257587), (213, 1367271), (387, 752529), (639, 455757), (1161, 250843), (1917, 151919), (3053, 95391), (3533, 82431), (9159, 31797), (10599, 27477)]