209702961

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{3313}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 326906216

約数和(自身を除く): 117203255

約数列:

[1, 3, 9, 13, 39, 117, 541, 1623, 3313, 4869, 7033, 9939, 21099, 29817, 43069, 63297, 129207, 387621, 1792333, 5376999, 16130997, 23300329, 69900987, 209702961]

約数ペア:

[(1, 209702961), (3, 69900987), (9, 23300329), (13, 16130997), (39, 5376999), (117, 1792333), (541, 387621), (1623, 129207), (3313, 63297), (4869, 43069), (7033, 29817), (9939, 21099)]