2761821

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 4343040

約数和(自身を除く): 1581219

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 521, 589, 1563, 1767, 4689, 5301, 9899, 16151, 29697, 48453, 89091, 145359, 306869, 920607, 2761821]

約数ペア:

[(1, 2761821), (3, 920607), (9, 306869), (19, 145359), (31, 89091), (57, 48453), (93, 29697), (171, 16151), (279, 9899), (521, 5301), (589, 4689), (1563, 1767)]