12904227

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{797}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 21411936

約数和(自身を除く): 8507709

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 797, 1799, 2313, 2391, 5397, 5579, 7173, 16191, 16737, 50211, 204829, 614487, 1433803, 1843461, 4301409, 12904227]

約数ペア:

[(1, 12904227), (3, 4301409), (7, 1843461), (9, 1433803), (21, 614487), (63, 204829), (257, 50211), (771, 16737), (797, 16191), (1799, 7173), (2313, 5579), (2391, 5397)]