81512431

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11633}}^1$

素因数の和:11671

約数の個数: 24

約数和(自身を含む): 111407184

約数和(自身を除く): 29894753

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 11633, 81431, 127963, 151229, 570017, 895741, 1058603, 1663519, 6270187, 7410221, 11644633, 81512431]

約数ペア:

[(1, 81512431), (7, 11644633), (11, 7410221), (13, 6270187), (49, 1663519), (77, 1058603), (91, 895741), (143, 570017), (539, 151229), (637, 127963), (1001, 81431), (7007, 11633)]