668895039

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1451}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 1076385024

約数和(自身を除く): 407489985

約数列:

[1, 3, 9, 17, 23, 51, 69, 131, 153, 207, 391, 393, 1173, 1179, 1451, 2227, 3013, 3519, 4353, 6681, 9039, 13059, 20043, 24667, 27117, 33373, 51221, 74001, 100119, 153663, 190081, 222003, 300357, 460989, 567341, 570243, 1702023, 1710729, 3231377, 4371863, 5106069, 9694131, 13115589, 29082393, 39346767, 74321671, 222965013, 668895039]

約数ペア:

[(1, 668895039), (3, 222965013), (9, 74321671), (17, 39346767), (23, 29082393), (51, 13115589), (69, 9694131), (131, 5106069), (153, 4371863), (207, 3231377), (391, 1710729), (393, 1702023), (1173, 570243), (1179, 567341), (1451, 460989), (2227, 300357), (3013, 222003), (3519, 190081), (4353, 153663), (6681, 100119), (9039, 74001), (13059, 51221), (20043, 33373), (24667, 27117)]