38421243

素因数分解:

$3^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 67059360

約数和(自身を除く): 28638117

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 113, 147, 189, 257, 339, 441, 771, 791, 1017, 1323, 1799, 2313, 2373, 3051, 5397, 5537, 6939, 7119, 12593, 16191, 16611, 21357, 29041, 37779, 48573, 49833, 87123, 113337, 149499, 203287, 261369, 340011, 609861, 784107, 1423009, 1829583, 4269027, 5488749, 12807081, 38421243]

約数ペア:

[(1, 38421243), (3, 12807081), (7, 5488749), (9, 4269027), (21, 1829583), (27, 1423009), (49, 784107), (63, 609861), (113, 340011), (147, 261369), (189, 203287), (257, 149499), (339, 113337), (441, 87123), (771, 49833), (791, 48573), (1017, 37779), (1323, 29041), (1799, 21357), (2313, 16611), (2373, 16191), (3051, 12593), (5397, 7119), (5537, 6939)]