28205973

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 41976480

約数和(自身を除く): 13770507

約数列:

[1, 3, 9, 61, 83, 183, 249, 549, 619, 747, 1857, 5063, 5571, 15189, 37759, 45567, 51377, 113277, 154131, 339831, 462393, 3133997, 9401991, 28205973]

約数ペア:

[(1, 28205973), (3, 9401991), (9, 3133997), (61, 462393), (83, 339831), (183, 154131), (249, 113277), (549, 51377), (619, 45567), (747, 37759), (1857, 15189), (5063, 5571)]