28870263

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5843}}^1$

素因数の和:5916

約数の個数: 20

約数和(自身を含む): 43841688

約数和(自身を除く): 14971425

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5843, 17529, 52587, 157761, 356423, 473283, 1069269, 3207807, 9623421, 28870263]

約数ペア:

[(1, 28870263), (3, 9623421), (9, 3207807), (27, 1069269), (61, 473283), (81, 356423), (183, 157761), (549, 52587), (1647, 17529), (4941, 5843)]