2021521653

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^2$

素因数の和:566

約数の個数: 36

約数和(自身を含む): 3020681664

約数和(自身を除く): 999160011

約数列:

[1, 3, 9, 47, 131, 141, 191, 393, 423, 573, 1179, 1719, 6157, 8977, 18471, 25021, 26931, 36481, 55413, 75063, 80793, 109443, 225189, 328329, 1175987, 1714607, 3527961, 4779011, 5143821, 10583883, 14337033, 15431463, 43011099, 224613517, 673840551, 2021521653]

約数ペア:

[(1, 2021521653), (3, 673840551), (9, 224613517), (47, 43011099), (131, 15431463), (141, 14337033), (191, 10583883), (393, 5143821), (423, 4779011), (573, 3527961), (1179, 1714607), (1719, 1175987), (6157, 328329), (8977, 225189), (18471, 109443), (25021, 80793), (26931, 75063), (36481, 55413)]