7937991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 12283440

約数和(自身を除く): 4345449

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 761, 1159, 2283, 3477, 6849, 10431, 14459, 43377, 46421, 130131, 139263, 417789, 881999, 2645997, 7937991]

約数ペア:

[(1, 7937991), (3, 2645997), (9, 881999), (19, 417789), (57, 139263), (61, 130131), (171, 46421), (183, 43377), (549, 14459), (761, 10431), (1159, 6849), (2283, 3477)]