128609943

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{556753}}^1$

素因数の和:556774

約数の個数: 16

約数和(自身を含む): 213793536

約数和(自身を除く): 85183593

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 556753, 1670259, 3897271, 6124283, 11691813, 18372849, 42869981, 128609943]

約数ペア:

[(1, 128609943), (3, 42869981), (7, 18372849), (11, 11691813), (21, 6124283), (33, 3897271), (77, 1670259), (231, 556753)]