2163609

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 3636672

約数和(自身を除く): 1473063

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 563, 1281, 1689, 3843, 3941, 5067, 11823, 34343, 35469, 103029, 240401, 309087, 721203, 2163609]

約数ペア:

[(1, 2163609), (3, 721203), (7, 309087), (9, 240401), (21, 103029), (61, 35469), (63, 34343), (183, 11823), (427, 5067), (549, 3941), (563, 3843), (1281, 1689)]