1889667

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 3040128

約数和(自身を除く): 1150461

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 521, 1209, 1563, 3627, 4689, 6773, 16151, 20319, 48453, 60957, 145359, 209963, 629889, 1889667]

約数ペア:

[(1, 1889667), (3, 629889), (9, 209963), (13, 145359), (31, 60957), (39, 48453), (93, 20319), (117, 16151), (279, 6773), (403, 4689), (521, 3627), (1209, 1563)]