81354542759

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{5807}}^1$

素因数の和:6276

約数の個数: 48

約数和(自身を含む): 102208905216

約数和(自身を除く): 20854362457

約数列:

[1, 7, 23, 31, 49, 161, 217, 401, 713, 1127, 1519, 2807, 4991, 5807, 9223, 12431, 19649, 34937, 40649, 64561, 87017, 133561, 180017, 284543, 285913, 451927, 609119, 934927, 1260119, 2001391, 2328607, 4140391, 6544489, 8820833, 14009737, 16300249, 28982737, 53557961, 72186817, 114101743, 202879159, 374905727, 505307719, 1660296791, 2624340089, 3537154033, 11622077537, 81354542759]

約数ペア:

[(1, 81354542759), (7, 11622077537), (23, 3537154033), (31, 2624340089), (49, 1660296791), (161, 505307719), (217, 374905727), (401, 202879159), (713, 114101743), (1127, 72186817), (1519, 53557961), (2807, 28982737), (4991, 16300249), (5807, 14009737), (9223, 8820833), (12431, 6544489), (19649, 4140391), (34937, 2328607), (40649, 2001391), (64561, 1260119), (87017, 934927), (133561, 609119), (180017, 451927), (284543, 285913)]