8640387

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 15275520

約数和(自身を除く): 6635133

約数列:

[1, 3, 7, 9, 21, 23, 63, 67, 69, 89, 161, 201, 207, 267, 469, 483, 603, 623, 801, 1407, 1449, 1541, 1869, 2047, 4221, 4623, 5607, 5963, 6141, 10787, 13869, 14329, 17889, 18423, 32361, 41741, 42987, 53667, 97083, 125223, 128961, 137149, 375669, 411447, 960043, 1234341, 2880129, 8640387]

約数ペア:

[(1, 8640387), (3, 2880129), (7, 1234341), (9, 960043), (21, 411447), (23, 375669), (63, 137149), (67, 128961), (69, 125223), (89, 97083), (161, 53667), (201, 42987), (207, 41741), (267, 32361), (469, 18423), (483, 17889), (603, 14329), (623, 13869), (801, 10787), (1407, 6141), (1449, 5963), (1541, 5607), (1869, 4623), (2047, 4221)]