31366713

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 51290880

約数和(自身を除く): 19924167

約数列:

[1, 3, 7, 21, 37, 49, 73, 79, 111, 147, 219, 237, 259, 511, 553, 777, 1533, 1659, 1813, 2701, 2923, 3577, 3871, 5439, 5767, 8103, 8769, 10731, 11613, 17301, 18907, 20461, 40369, 56721, 61383, 121107, 132349, 143227, 213379, 282583, 397047, 429681, 640137, 847749, 1493653, 4480959, 10455571, 31366713]

約数ペア:

[(1, 31366713), (3, 10455571), (7, 4480959), (21, 1493653), (37, 847749), (49, 640137), (73, 429681), (79, 397047), (111, 282583), (147, 213379), (219, 143227), (237, 132349), (259, 121107), (511, 61383), (553, 56721), (777, 40369), (1533, 20461), (1659, 18907), (1813, 17301), (2701, 11613), (2923, 10731), (3577, 8769), (3871, 8103), (5439, 5767)]