201821778

素因数分解:

$2^1\times 3^2\times {\mathrm{11212321}}^1$

素因数の和:11212329

約数の個数: 12

約数和(自身を含む): 437280558

約数和(自身を除く): 235458780

約数列:

[1, 2, 3, 6, 9, 18, 11212321, 22424642, 33636963, 67273926, 100910889, 201821778]

約数ペア:

[(1, 201821778), (2, 100910889), (3, 67273926), (6, 33636963), (9, 22424642), (18, 11212321)]