680764.0000000

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 7943936

約数和(自身を除く): 2679575

約数列:

[1, 3, 9, 43, 61, 129, 183, 223, 387, 549, 669, 2007, 2623, 7869, 9589, 13603, 23607, 28767, 40809, 86301, 122427, 584929, 1754787, 5264361]

約数ペア:

[(1, 5264361), (3, 1754787), (9, 584929), (43, 122427), (61, 86301), (129, 40809), (183, 28767), (223, 23607), (387, 13603), (549, 9589), (669, 7869), (2007, 2623)]