40387809

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{24977}}^1$

素因数の和:25005

約数の個数: 24

約数和(自身を含む): 68339808

約数和(自身を除く): 27951999

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 24977, 74931, 174839, 274747, 524517, 824241, 1223873, 1923229, 3671619, 5769687, 13462603, 40387809]

約数ペア:

[(1, 40387809), (3, 13462603), (7, 5769687), (11, 3671619), (21, 1923229), (33, 1223873), (49, 824241), (77, 524517), (147, 274747), (231, 174839), (539, 74931), (1617, 24977)]