9891009

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 14851200

約数和(自身を除く): 4960191

約数列:

[1, 3, 9, 47, 67, 141, 201, 349, 423, 603, 1047, 3141, 3149, 9447, 16403, 23383, 28341, 49209, 70149, 147627, 210447, 1099001, 3297003, 9891009]

約数ペア:

[(1, 9891009), (3, 3297003), (9, 1099001), (47, 210447), (67, 147627), (141, 70149), (201, 49209), (349, 28341), (423, 23383), (603, 16403), (1047, 9447), (3141, 3149)]