203412979

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 270204928

約数和(自身を除く): 66791949

約数列:

[1, 7, 11, 31, 61, 77, 121, 127, 217, 341, 427, 671, 847, 889, 1397, 1891, 2387, 3751, 3937, 4697, 7381, 7747, 9779, 13237, 15367, 20801, 26257, 27559, 43307, 51667, 54229, 85217, 107569, 145607, 228811, 240157, 303149, 476377, 596519, 937387, 1601677, 1681099, 2641727, 3334639, 6561709, 18492089, 29058997, 203412979]

約数ペア:

[(1, 203412979), (7, 29058997), (11, 18492089), (31, 6561709), (61, 3334639), (77, 2641727), (121, 1681099), (127, 1601677), (217, 937387), (341, 596519), (427, 476377), (671, 303149), (847, 240157), (889, 228811), (1397, 145607), (1891, 107569), (2387, 85217), (3751, 54229), (3937, 51667), (4697, 43307), (7381, 27559), (7747, 26257), (9779, 20801), (13237, 15367)]