420020565

素因数分解:

$3^1\times 5^1\times {\mathrm{3739}}^1\times {\mathrm{7489}}^1$

素因数の和:11236

約数の個数: 16

約数和(自身を含む): 672302400

約数和(自身を除く): 252281835

約数列:

[1, 3, 5, 15, 3739, 7489, 11217, 18695, 22467, 37445, 56085, 112335, 28001371, 84004113, 140006855, 420020565]

約数ペア:

[(1, 420020565), (3, 140006855), (5, 84004113), (15, 28001371), (3739, 112335), (7489, 56085), (11217, 37445), (18695, 22467)]