7888913991

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{985991}}^1$

素因数の和:986131

約数の個数: 24

約数和(自身を含む): 13125525504

約数和(自身を除く): 5236611513

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 985991, 2957973, 6901937, 8873919, 20705811, 62117433, 125220857, 375662571, 876545999, 1126987713, 2629637997, 7888913991]

約数ペア:

[(1, 7888913991), (3, 2629637997), (7, 1126987713), (9, 876545999), (21, 375662571), (63, 125220857), (127, 62117433), (381, 20705811), (889, 8873919), (1143, 6901937), (2667, 2957973), (8001, 985991)]