1321021569

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{106801}}^1$

素因数の和:106861

約数の個数: 32

約数和(自身を含む): 2187304960

約数和(自身を除く): 866283391

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 106801, 320403, 747607, 2029219, 2242821, 3310831, 6087657, 9932493, 14204533, 23175817, 42613599, 62905789, 69527451, 188717367, 440340523, 1321021569]

約数ペア:

[(1, 1321021569), (3, 440340523), (7, 188717367), (19, 69527451), (21, 62905789), (31, 42613599), (57, 23175817), (93, 14204533), (133, 9932493), (217, 6087657), (399, 3310831), (589, 2242821), (651, 2029219), (1767, 747607), (4123, 320403), (12369, 106801)]