12961936287

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{78877}}^1$

素因数の和:78964

約数の個数: 36

約数和(自身を含む): 20364722040

約数和(自身を除く): 7402785753

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 961, 1767, 2883, 5301, 8649, 18259, 54777, 78877, 164331, 236631, 709893, 1498663, 2445187, 4495989, 7335561, 13487967, 22006683, 46458553, 75800797, 139375659, 227402391, 418126977, 682207173, 1440215143, 4320645429, 12961936287]

約数ペア:

[(1, 12961936287), (3, 4320645429), (9, 1440215143), (19, 682207173), (31, 418126977), (57, 227402391), (93, 139375659), (171, 75800797), (279, 46458553), (589, 22006683), (961, 13487967), (1767, 7335561), (2883, 4495989), (5301, 2445187), (8649, 1498663), (18259, 709893), (54777, 236631), (78877, 164331)]