2018778579

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{379541}}^1$

素因数の和:379747

約数の個数: 16

約数和(自身を含む): 3005972640

約数和(自身を除く): 987194061

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 379541, 1138623, 3415869, 10247607, 74769577, 224308731, 672926193, 2018778579]

約数ペア:

[(1, 2018778579), (3, 672926193), (9, 224308731), (27, 74769577), (197, 10247607), (591, 3415869), (1773, 1138623), (5319, 379541)]