2801169819

素因数分解:

$3^2\times 7^2\times {\mathrm{6351859}}^1$

素因数の和:6351879

約数の個数: 18

約数和(自身を含む): 4706728260

約数和(自身を除く): 1905558441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6351859, 19055577, 44463013, 57166731, 133389039, 311241091, 400167117, 933723273, 2801169819]

約数ペア:

[(1, 2801169819), (3, 933723273), (7, 400167117), (9, 311241091), (21, 133389039), (49, 57166731), (63, 44463013), (147, 19055577), (441, 6351859)]