29945721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 48045312

約数和(自身を除く): 18099591

約数列:

[1, 3, 13, 17, 31, 39, 47, 51, 93, 141, 221, 403, 527, 611, 663, 799, 961, 1209, 1457, 1581, 1833, 2397, 2883, 4371, 6851, 10387, 12493, 16337, 18941, 20553, 24769, 31161, 37479, 45167, 49011, 56823, 74307, 135501, 212381, 321997, 587171, 637143, 767839, 965991, 1761513, 2303517, 9981907, 29945721]

約数ペア:

[(1, 29945721), (3, 9981907), (13, 2303517), (17, 1761513), (31, 965991), (39, 767839), (47, 637143), (51, 587171), (93, 321997), (141, 212381), (221, 135501), (403, 74307), (527, 56823), (611, 49011), (663, 45167), (799, 37479), (961, 31161), (1209, 24769), (1457, 20553), (1581, 18941), (1833, 16337), (2397, 12493), (2883, 10387), (4371, 6851)]