68544385

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21521}}^1$

素因数の和:21553

約数の個数: 24

約数和(自身を含む): 103047336

約数和(自身を除く): 34502951

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 21521, 107605, 150647, 279773, 753235, 1054529, 1398865, 1958411, 5272645, 9792055, 13708877, 68544385]

約数ペア:

[(1, 68544385), (5, 13708877), (7, 9792055), (13, 5272645), (35, 1958411), (49, 1398865), (65, 1054529), (91, 753235), (245, 279773), (455, 150647), (637, 107605), (3185, 21521)]