28909791

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5851}}^1$

素因数の和:5924

約数の個数: 20

約数和(自身を含む): 43901704

約数和(自身を除く): 14991913

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5851, 17553, 52659, 157977, 356911, 473931, 1070733, 3212199, 9636597, 28909791]

約数ペア:

[(1, 28909791), (3, 9636597), (9, 3212199), (27, 1070733), (61, 473931), (81, 356911), (183, 157977), (549, 52659), (1647, 17553), (4941, 5851)]