990112321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{8101}}^1$

素因数の和:8424

約数の個数: 16

約数和(自身を含む): 1110686976

約数和(自身を除く): 120574655

約数列:

[1, 11, 41, 271, 451, 2981, 8101, 11111, 89111, 122221, 332141, 2195371, 3653551, 24149081, 90010211, 990112321]

約数ペア:

[(1, 990112321), (11, 90010211), (41, 24149081), (271, 3653551), (451, 2195371), (2981, 332141), (8101, 122221), (11111, 89111)]