27654471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 44363592

約数和(自身を除く): 16709121

約数列:

[1, 3, 9, 13, 39, 47, 107, 117, 141, 321, 423, 611, 963, 1391, 1833, 2209, 4173, 5029, 5499, 6627, 12519, 15087, 19881, 28717, 45261, 65377, 86151, 196131, 236363, 258453, 588393, 709089, 2127267, 3072719, 9218157, 27654471]

約数ペア:

[(1, 27654471), (3, 9218157), (9, 3072719), (13, 2127267), (39, 709089), (47, 588393), (107, 258453), (117, 236363), (141, 196131), (321, 86151), (423, 65377), (611, 45261), (963, 28717), (1391, 19881), (1833, 15087), (2209, 12519), (4173, 6627), (5029, 5499)]