7988427

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 12080640

約数和(自身を除く): 4092213

約数列:

[1, 3, 9, 29, 87, 127, 241, 261, 381, 723, 1143, 2169, 3683, 6989, 11049, 20967, 30607, 33147, 62901, 91821, 275463, 887603, 2662809, 7988427]

約数ペア:

[(1, 7988427), (3, 2662809), (9, 887603), (29, 275463), (87, 91821), (127, 62901), (241, 33147), (261, 30607), (381, 20967), (723, 11049), (1143, 6989), (2169, 3683)]