255840807789

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1\times {\mathrm{701}}^1$

素因数の和:1511

約数の個数: 96

約数和(自身を含む): 432721336320

約数和(自身を除く): 176880528531

約数列:

[1, 3, 7, 9, 21, 63, 71, 139, 213, 417, 497, 587, 639, 701, 973, 1251, 1491, 1761, 2103, 2919, 4109, 4473, 4907, 5283, 6309, 8757, 9869, 12327, 14721, 29607, 36981, 41677, 44163, 49771, 69083, 81593, 88821, 97439, 125031, 149313, 207249, 244779, 291739, 292317, 348397, 375093, 411487, 447939, 571151, 621747, 682073, 734337, 875217, 876951, 1045191, 1234461, 1713453, 2046219, 2625651, 2880409, 3135573, 3703383, 5140359, 5793103, 6138657, 6918169, 8641227, 17379309, 20754507, 25923681, 29215577, 40551721, 48427183, 52137927, 57196693, 62263521, 87646731, 121655163, 145281549, 171590079, 204509039, 262940193, 364965489, 400376851, 435844647, 514770237, 613527117, 1201130553, 1840581351, 3603391659, 4060965203, 12182895609, 28426756421, 36548686827, 85280269263, 255840807789]

約数ペア:

[(1, 255840807789), (3, 85280269263), (7, 36548686827), (9, 28426756421), (21, 12182895609), (63, 4060965203), (71, 3603391659), (139, 1840581351), (213, 1201130553), (417, 613527117), (497, 514770237), (587, 435844647), (639, 400376851), (701, 364965489), (973, 262940193), (1251, 204509039), (1491, 171590079), (1761, 145281549), (2103, 121655163), (2919, 87646731), (4109, 62263521), (4473, 57196693), (4907, 52137927), (5283, 48427183), (6309, 40551721), (8757, 29215577), (9869, 25923681), (12327, 20754507), (14721, 17379309), (29607, 8641227), (36981, 6918169), (41677, 6138657), (44163, 5793103), (49771, 5140359), (69083, 3703383), (81593, 3135573), (88821, 2880409), (97439, 2625651), (125031, 2046219), (149313, 1713453), (207249, 1234461), (244779, 1045191), (291739, 876951), (292317, 875217), (348397, 734337), (375093, 682073), (411487, 621747), (447939, 571151)]