42388749

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:123

約数の個数: 54

約数和(自身を含む): 70870410

約数和(自身を除く): 28481661

約数列:

[1, 3, 9, 13, 29, 31, 39, 87, 93, 117, 169, 261, 279, 377, 403, 507, 899, 961, 1131, 1209, 1521, 2697, 2883, 3393, 3627, 4901, 5239, 8091, 8649, 11687, 12493, 14703, 15717, 27869, 35061, 37479, 44109, 47151, 83607, 105183, 112437, 151931, 162409, 250821, 362297, 455793, 487227, 1086891, 1367379, 1461681, 3260673, 4709861, 14129583, 42388749]

約数ペア:

[(1, 42388749), (3, 14129583), (9, 4709861), (13, 3260673), (29, 1461681), (31, 1367379), (39, 1086891), (87, 487227), (93, 455793), (117, 362297), (169, 250821), (261, 162409), (279, 151931), (377, 112437), (403, 105183), (507, 83607), (899, 47151), (961, 44109), (1131, 37479), (1209, 35061), (1521, 27869), (2697, 15717), (2883, 14703), (3393, 12493), (3627, 11687), (4901, 8649), (5239, 8091)]