31872681

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1717

約数の個数: 24

約数和(自身を含む): 48222720

約数和(自身を除く): 16350039

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1609, 2201, 4827, 6603, 14481, 19809, 49879, 114239, 149637, 342717, 448911, 1028151, 3541409, 10624227, 31872681]

約数ペア:

[(1, 31872681), (3, 10624227), (9, 3541409), (31, 1028151), (71, 448911), (93, 342717), (213, 149637), (279, 114239), (639, 49879), (1609, 19809), (2201, 14481), (4827, 6603)]