51257493

素因数分解:

$3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{991}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 84804096

約数和(自身を除く): 33546603

約数列:

[1, 3, 7, 9, 21, 63, 821, 991, 2463, 2973, 5747, 6937, 7389, 8919, 17241, 20811, 51723, 62433, 813611, 2440833, 5695277, 7322499, 17085831, 51257493]

約数ペア:

[(1, 51257493), (3, 17085831), (7, 7322499), (9, 5695277), (21, 2440833), (63, 813611), (821, 62433), (991, 51723), (2463, 20811), (2973, 17241), (5747, 8919), (6937, 7389)]