47105847

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 72941760

約数和(自身を除く): 25835913

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 333, 549, 773, 999, 1647, 2257, 2319, 6771, 6957, 20313, 20871, 28601, 47153, 60939, 85803, 141459, 257409, 424377, 772227, 1273131, 1744661, 5233983, 15701949, 47105847]

約数ペア:

[(1, 47105847), (3, 15701949), (9, 5233983), (27, 1744661), (37, 1273131), (61, 772227), (111, 424377), (183, 257409), (333, 141459), (549, 85803), (773, 60939), (999, 47153), (1647, 28601), (2257, 20871), (2319, 20313), (6771, 6957)]