6749253

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 11232000

約数和(自身を除く): 4482747

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 719, 1043, 1341, 2157, 3129, 5033, 6471, 9387, 15099, 45297, 107131, 321393, 749917, 964179, 2249751, 6749253]

約数ペア:

[(1, 6749253), (3, 2249751), (7, 964179), (9, 749917), (21, 321393), (63, 107131), (149, 45297), (447, 15099), (719, 9387), (1043, 6471), (1341, 5033), (2157, 3129)]