1053720009

素因数分解:

$3^4\times {\mathrm{1987}}^1\times {\mathrm{6547}}^1$

素因数の和:8546

約数の個数: 20

約数和(自身を含む): 1575108304

約数和(自身を除く): 521388295

約数列:

[1, 3, 9, 27, 81, 1987, 5961, 6547, 17883, 19641, 53649, 58923, 160947, 176769, 530307, 13008889, 39026667, 117080001, 351240003, 1053720009]

約数ペア:

[(1, 1053720009), (3, 351240003), (9, 117080001), (27, 39026667), (81, 13008889), (1987, 530307), (5961, 176769), (6547, 160947), (17883, 58923), (19641, 53649)]