180978837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1399}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 89971563

約数列:

[1, 3, 13, 31, 39, 93, 107, 321, 403, 1209, 1391, 1399, 3317, 4173, 4197, 9951, 18187, 43121, 43369, 54561, 129363, 130107, 149693, 449079, 563797, 1691391, 1946009, 4640483, 5838027, 13921449, 60326279, 180978837]

約数ペア:

[(1, 180978837), (3, 60326279), (13, 13921449), (31, 5838027), (39, 4640483), (93, 1946009), (107, 1691391), (321, 563797), (403, 449079), (1209, 149693), (1391, 130107), (1399, 129363), (3317, 54561), (4173, 43369), (4197, 43121), (9951, 18187)]