520019661

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{2671}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 809893888

約数和(自身を除く): 289874227

約数列:

[1, 3, 7, 21, 73, 127, 219, 381, 511, 889, 1533, 2667, 2671, 8013, 9271, 18697, 27813, 56091, 64897, 194691, 194983, 339217, 584949, 1017651, 1364881, 2374519, 4094643, 7123557, 24762841, 74288523, 173339887, 520019661]

約数ペア:

[(1, 520019661), (3, 173339887), (7, 74288523), (21, 24762841), (73, 7123557), (127, 4094643), (219, 2374519), (381, 1364881), (511, 1017651), (889, 584949), (1533, 339217), (2667, 194983), (2671, 194691), (8013, 64897), (9271, 56091), (18697, 27813)]