18789057

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 32198400

約数和(自身を除く): 13409343

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1117, 1869, 2403, 3351, 5607, 7819, 10053, 16821, 23457, 30159, 70371, 99413, 211113, 298239, 695891, 894717, 2087673, 2684151, 6263019, 18789057]

約数ペア:

[(1, 18789057), (3, 6263019), (7, 2684151), (9, 2087673), (21, 894717), (27, 695891), (63, 298239), (89, 211113), (189, 99413), (267, 70371), (623, 30159), (801, 23457), (1117, 16821), (1869, 10053), (2403, 7819), (3351, 5607)]