881220417

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{42863}}^1$

素因数の和:42973

約数の個数: 32

約数和(自身を含む): 1481379840

約数和(自身を除く): 600159423

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1869, 2937, 6853, 20559, 42863, 128589, 300041, 471493, 900123, 1414479, 3300451, 3814807, 9901353, 11444421, 26703649, 41962877, 80110947, 125888631, 293740139, 881220417]

約数ペア:

[(1, 881220417), (3, 293740139), (7, 125888631), (11, 80110947), (21, 41962877), (33, 26703649), (77, 11444421), (89, 9901353), (231, 3814807), (267, 3300451), (623, 1414479), (979, 900123), (1869, 471493), (2937, 300041), (6853, 128589), (20559, 42863)]