31589001

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 49728000

約数和(自身を除く): 18138999

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 417, 443, 513, 1251, 1329, 2641, 3753, 3987, 7923, 8417, 11961, 23769, 25251, 61577, 71307, 75753, 184731, 227259, 554193, 1169963, 1662579, 3509889, 10529667, 31589001]

約数ペア:

[(1, 31589001), (3, 10529667), (9, 3509889), (19, 1662579), (27, 1169963), (57, 554193), (139, 227259), (171, 184731), (417, 75753), (443, 71307), (513, 61577), (1251, 25251), (1329, 23769), (2641, 11961), (3753, 8417), (3987, 7923)]