7647981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4931}}^1$

素因数の和:4992

約数の個数: 16

約数和(自身を含む): 11363328

約数和(自身を除く): 3715347

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 4931, 14793, 54241, 162723, 231757, 695271, 2549327, 7647981]

約数ペア:

[(1, 7647981), (3, 2549327), (11, 695271), (33, 231757), (47, 162723), (141, 54241), (517, 14793), (1551, 4931)]