18227223

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{829}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 30212000

約数和(自身を除く): 11984777

約数列:

[1, 3, 7, 9, 21, 63, 349, 829, 1047, 2443, 2487, 3141, 5803, 7329, 7461, 17409, 21987, 52227, 289321, 867963, 2025247, 2603889, 6075741, 18227223]

約数ペア:

[(1, 18227223), (3, 6075741), (7, 2603889), (9, 2025247), (21, 867963), (63, 289321), (349, 52227), (829, 21987), (1047, 17409), (2443, 7461), (2487, 7329), (3141, 5803)]