18165357

素因数分解:

$3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12800403

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 223, 431, 669, 1293, 1561, 2007, 3017, 3879, 4683, 6021, 9051, 11637, 14049, 27153, 42147, 81459, 96113, 288339, 672791, 865017, 2018373, 2595051, 6055119, 18165357]

約数ペア:

[(1, 18165357), (3, 6055119), (7, 2595051), (9, 2018373), (21, 865017), (27, 672791), (63, 288339), (189, 96113), (223, 81459), (431, 42147), (669, 27153), (1293, 14049), (1561, 11637), (2007, 9051), (3017, 6021), (3879, 4683)]