8918871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 13665792

約数和(自身を除く): 4746921

約数列:

[1, 3, 13, 23, 39, 61, 69, 163, 183, 299, 489, 793, 897, 1403, 2119, 2379, 3749, 4209, 6357, 9943, 11247, 18239, 29829, 48737, 54717, 129259, 146211, 228689, 387777, 686067, 2972957, 8918871]

約数ペア:

[(1, 8918871), (3, 2972957), (13, 686067), (23, 387777), (39, 228689), (61, 146211), (69, 129259), (163, 54717), (183, 48737), (299, 29829), (489, 18239), (793, 11247), (897, 9943), (1403, 6357), (2119, 4209), (2379, 3749)]