81258485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211061}}^1$

素因数の和:211084

約数の個数: 16

約数和(自身を含む): 121571712

約数和(自身を除く): 40313227

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 211061, 1055305, 1477427, 2321671, 7387135, 11608355, 16251697, 81258485]

約数ペア:

[(1, 81258485), (5, 16251697), (7, 11608355), (11, 7387135), (35, 2321671), (55, 1477427), (77, 1055305), (385, 211061)]