18099819

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 27029184

約数和(自身を除く): 8929365

約数列:

[1, 3, 9, 41, 123, 181, 271, 369, 543, 813, 1629, 2439, 7421, 11111, 22263, 33333, 49051, 66789, 99999, 147153, 441459, 2011091, 6033273, 18099819]

約数ペア:

[(1, 18099819), (3, 6033273), (9, 2011091), (41, 441459), (123, 147153), (181, 99999), (271, 66789), (369, 49051), (543, 33333), (813, 22263), (1629, 11111), (2439, 7421)]