68289417

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{13721}}^1$

素因数の和:13813

約数の個数: 24

約数和(自身を含む): 114167040

約数和(自身を除く): 45877623

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4977, 13721, 41163, 96047, 123489, 288141, 864423, 1083959, 3251877, 7587713, 9755631, 22763139, 68289417]

約数ペア:

[(1, 68289417), (3, 22763139), (7, 9755631), (9, 7587713), (21, 3251877), (63, 1083959), (79, 864423), (237, 288141), (553, 123489), (711, 96047), (1659, 41163), (4977, 13721)]