668831418

素因数分解:

$2^1\times 3^4\times {\mathrm{4128589}}^1$

素因数の和:4128603

約数の個数: 20

約数和(自身を含む): 1498678170

約数和(自身を除く): 829846752

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4128589, 8257178, 12385767, 24771534, 37157301, 74314602, 111471903, 222943806, 334415709, 668831418]

約数ペア:

[(1, 668831418), (2, 334415709), (3, 222943806), (6, 111471903), (9, 74314602), (18, 37157301), (27, 24771534), (54, 12385767), (81, 8257178), (162, 4128589)]