181993399

素因数分解:

$7^4\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:588

約数の個数: 20

約数和(自身を含む): 213884360

約数和(自身を除く): 31890961

約数列:

[1, 7, 49, 229, 331, 343, 1603, 2317, 2401, 11221, 16219, 75799, 78547, 113533, 530593, 549829, 794731, 3714151, 25999057, 181993399]

約数ペア:

[(1, 181993399), (7, 25999057), (49, 3714151), (229, 794731), (331, 549829), (343, 530593), (1603, 113533), (2317, 78547), (2401, 75799), (11221, 16219)]