2057807787

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1901}}^1\times {\mathrm{2713}}^1$

素因数の和:4643

約数の個数: 32

約数和(自身を含む): 3303697920

約数和(自身を除く): 1245890133

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1901, 2713, 5703, 8139, 13307, 18991, 36119, 39921, 51547, 56973, 108357, 154641, 252833, 360829, 758499, 1082487, 5157413, 15472239, 36101891, 97990847, 108305673, 293972541, 685935929, 2057807787]

約数ペア:

[(1, 2057807787), (3, 685935929), (7, 293972541), (19, 108305673), (21, 97990847), (57, 36101891), (133, 15472239), (399, 5157413), (1901, 1082487), (2713, 758499), (5703, 360829), (8139, 252833), (13307, 154641), (18991, 108357), (36119, 56973), (39921, 51547)]