2017906839

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 3292104816

約数和(自身を除く): 1274197977

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 131, 137, 279, 393, 403, 411, 961, 1179, 1209, 1233, 1703, 1781, 2883, 3627, 4061, 4247, 5109, 5343, 8649, 12183, 12493, 12741, 15327, 16029, 17947, 36549, 37479, 38223, 52793, 53841, 55211, 112437, 125891, 131657, 158379, 161523, 165633, 233311, 377673, 394971, 475137, 496899, 556357, 699933, 1133019, 1184913, 1636583, 1669071, 1711541, 2099799, 4909749, 5007213, 5134623, 7232641, 14729247, 15403869, 17247067, 21697923, 51741201, 65093769, 155223603, 224211871, 672635613, 2017906839]

約数ペア:

[(1, 2017906839), (3, 672635613), (9, 224211871), (13, 155223603), (31, 65093769), (39, 51741201), (93, 21697923), (117, 17247067), (131, 15403869), (137, 14729247), (279, 7232641), (393, 5134623), (403, 5007213), (411, 4909749), (961, 2099799), (1179, 1711541), (1209, 1669071), (1233, 1636583), (1703, 1184913), (1781, 1133019), (2883, 699933), (3627, 556357), (4061, 496899), (4247, 475137), (5109, 394971), (5343, 377673), (8649, 233311), (12183, 165633), (12493, 161523), (12741, 158379), (15327, 131657), (16029, 125891), (17947, 112437), (36549, 55211), (37479, 53841), (38223, 52793)]