51678753

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 80593920

約数和(自身を除く): 28915167

約数列:

[1, 3, 7, 21, 107, 109, 211, 321, 327, 633, 749, 763, 1477, 2247, 2289, 4431, 11663, 22577, 22999, 34989, 67731, 68997, 81641, 158039, 160993, 244923, 474117, 482979, 2460893, 7382679, 17226251, 51678753]

約数ペア:

[(1, 51678753), (3, 17226251), (7, 7382679), (21, 2460893), (107, 482979), (109, 474117), (211, 244923), (321, 160993), (327, 158039), (633, 81641), (749, 68997), (763, 67731), (1477, 34989), (2247, 22999), (2289, 22577), (4431, 11663)]