7908921

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:608

約数の個数: 28

約数和(自身を含む): 12503920

約数和(自身を除く): 4594999

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 571, 729, 1539, 1713, 4617, 5139, 10849, 13851, 15417, 32547, 46251, 97641, 138753, 292923, 416259, 878769, 2636307, 7908921]

約数ペア:

[(1, 7908921), (3, 2636307), (9, 878769), (19, 416259), (27, 292923), (57, 138753), (81, 97641), (171, 46251), (243, 32547), (513, 15417), (571, 13851), (729, 10849), (1539, 5139), (1713, 4617)]