129406947

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 186278400

約数和(自身を除く): 56871453

約数列:

[1, 3, 23, 41, 69, 123, 149, 307, 447, 921, 943, 2829, 3427, 6109, 7061, 10281, 12587, 18327, 21183, 37761, 45743, 137229, 140507, 289501, 421521, 868503, 1052089, 1875463, 3156267, 5626389, 43135649, 129406947]

約数ペア:

[(1, 129406947), (3, 43135649), (23, 5626389), (41, 3156267), (69, 1875463), (123, 1052089), (149, 868503), (307, 421521), (447, 289501), (921, 140507), (943, 137229), (2829, 45743), (3427, 37761), (6109, 21183), (7061, 18327), (10281, 12587)]