9780939

素因数分解:

$3^3\times 7^2\times {\mathrm{7393}}^1$

素因数の和:7416

約数の個数: 24

約数和(自身を含む): 16858320

約数和(自身を除く): 7077381

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 7393, 22179, 51751, 66537, 155253, 199611, 362257, 465759, 1086771, 1397277, 3260313, 9780939]

約数ペア:

[(1, 9780939), (3, 3260313), (7, 1397277), (9, 1086771), (21, 465759), (27, 362257), (49, 199611), (63, 155253), (147, 66537), (189, 51751), (441, 22179), (1323, 7393)]