31505578299

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{61381}}^1$

素因数の和:61548

約数の個数: 48

約数和(自身を含む): 50674032864

約数和(自身を除く): 19168454565

約数列:

[1, 3, 9, 13, 39, 41, 107, 117, 123, 321, 369, 533, 963, 1391, 1599, 4173, 4387, 4797, 12519, 13161, 39483, 57031, 61381, 171093, 184143, 513279, 552429, 797953, 2393859, 2516621, 6567767, 7181577, 7549863, 19703301, 22649589, 32716073, 59109903, 85380971, 98148219, 256142913, 269278447, 294444657, 768428739, 807835341, 2423506023, 3500619811, 10501859433, 31505578299]

約数ペア:

[(1, 31505578299), (3, 10501859433), (9, 3500619811), (13, 2423506023), (39, 807835341), (41, 768428739), (107, 294444657), (117, 269278447), (123, 256142913), (321, 98148219), (369, 85380971), (533, 59109903), (963, 32716073), (1391, 22649589), (1599, 19703301), (4173, 7549863), (4387, 7181577), (4797, 6567767), (12519, 2516621), (13161, 2393859), (39483, 797953), (57031, 552429), (61381, 513279), (171093, 184143)]