291224373

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{21683}}^1$

素因数の和:21745

約数の個数: 24

約数和(自身を含む): 438363744

約数和(自身を除く): 147139371

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 21683, 65049, 238513, 715539, 802271, 2406813, 2623643, 7870929, 8824981, 26474943, 97074791, 291224373]

約数ペア:

[(1, 291224373), (3, 97074791), (11, 26474943), (33, 8824981), (37, 7870929), (111, 2623643), (121, 2406813), (363, 802271), (407, 715539), (1221, 238513), (4477, 65049), (13431, 21683)]