87999821

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 110502720

約数和(自身を除く): 22502899

約数列:

[1, 7, 13, 73, 91, 169, 511, 949, 1019, 1183, 6643, 7133, 12337, 13247, 74387, 86359, 92729, 172211, 520709, 967031, 1205477, 6769217, 12571403, 87999821]

約数ペア:

[(1, 87999821), (7, 12571403), (13, 6769217), (73, 1205477), (91, 967031), (169, 520709), (511, 172211), (949, 92729), (1019, 86359), (1183, 74387), (6643, 13247), (7133, 12337)]