16466247

素因数分解:

$3^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 28470816

約数和(自身を除く): 12004569

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 189, 257, 339, 567, 771, 791, 1017, 1799, 2313, 2373, 3051, 5397, 6939, 7119, 9153, 16191, 20817, 21357, 29041, 48573, 64071, 87123, 145719, 203287, 261369, 609861, 784107, 1829583, 2352321, 5488749, 16466247]

約数ペア:

[(1, 16466247), (3, 5488749), (7, 2352321), (9, 1829583), (21, 784107), (27, 609861), (63, 261369), (81, 203287), (113, 145719), (189, 87123), (257, 64071), (339, 48573), (567, 29041), (771, 21357), (791, 20817), (1017, 16191), (1799, 9153), (2313, 7119), (2373, 6939), (3051, 5397)]