7986861

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 12130560

約数和(自身を除く): 4143699

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 431, 639, 1293, 2059, 3879, 6177, 12499, 18531, 30601, 37497, 91803, 112491, 275409, 887429, 2662287, 7986861]

約数ペア:

[(1, 7986861), (3, 2662287), (9, 887429), (29, 275409), (71, 112491), (87, 91803), (213, 37497), (261, 30601), (431, 18531), (639, 12499), (1293, 6177), (2059, 3879)]