31505957541

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 50165406720

約数和(自身を除く): 18659449179

約数列:

[1, 3, 9, 29, 31, 43, 87, 93, 129, 137, 261, 279, 387, 411, 661, 899, 1233, 1247, 1333, 1983, 2697, 3741, 3973, 3999, 4247, 5891, 5949, 8091, 11223, 11919, 11997, 12741, 17673, 19169, 20491, 28423, 35757, 38223, 38657, 53019, 57507, 61473, 85269, 90557, 115971, 123163, 170839, 172521, 182621, 184419, 255807, 271671, 347913, 369489, 512517, 547863, 594239, 815013, 824267, 881113, 1108467, 1537551, 1643589, 1782717, 2472801, 2626153, 2643339, 2807267, 3893951, 5296009, 5348151, 7418403, 7878459, 7930017, 8421801, 11681853, 15888027, 23635377, 25265403, 25552277, 35045559, 47664081, 76656831, 81410743, 112924579, 120712481, 229970493, 244232229, 338773737, 362137443, 732696687, 1016321211, 1086412329, 3500661949, 10501985847, 31505957541]

約数ペア:

[(1, 31505957541), (3, 10501985847), (9, 3500661949), (29, 1086412329), (31, 1016321211), (43, 732696687), (87, 362137443), (93, 338773737), (129, 244232229), (137, 229970493), (261, 120712481), (279, 112924579), (387, 81410743), (411, 76656831), (661, 47664081), (899, 35045559), (1233, 25552277), (1247, 25265403), (1333, 23635377), (1983, 15888027), (2697, 11681853), (3741, 8421801), (3973, 7930017), (3999, 7878459), (4247, 7418403), (5891, 5348151), (5949, 5296009), (8091, 3893951), (11223, 2807267), (11919, 2643339), (11997, 2626153), (12741, 2472801), (17673, 1782717), (19169, 1643589), (20491, 1537551), (28423, 1108467), (35757, 881113), (38223, 824267), (38657, 815013), (53019, 594239), (57507, 547863), (61473, 512517), (85269, 369489), (90557, 347913), (115971, 271671), (123163, 255807), (170839, 184419), (172521, 182621)]