71808231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 111979008

約数和(自身を除く): 40170777

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 759, 851, 1221, 2553, 2557, 7671, 9361, 28083, 28127, 58811, 84381, 94609, 176433, 283827, 646921, 1040699, 1940763, 2176007, 3122097, 6528021, 23936077, 71808231]

約数ペア:

[(1, 71808231), (3, 23936077), (11, 6528021), (23, 3122097), (33, 2176007), (37, 1940763), (69, 1040699), (111, 646921), (253, 283827), (407, 176433), (759, 94609), (851, 84381), (1221, 58811), (2553, 28127), (2557, 28083), (7671, 9361)]