2661711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 3857280

約数和(自身を除く): 1195569

約数列:

[1, 3, 13, 39, 139, 417, 491, 1473, 1807, 5421, 6383, 19149, 68249, 204747, 887237, 2661711]

約数ペア:

[(1, 2661711), (3, 887237), (13, 204747), (39, 68249), (139, 19149), (417, 6383), (491, 5421), (1473, 1807)]