187467021

素因数分解:

$3^3\times 7^1\times {\mathrm{991889}}^1$

素因数の和:991905

約数の個数: 16

約数和(自身を含む): 317404800

約数和(自身を除く): 129937779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 991889, 2975667, 6943223, 8927001, 20829669, 26781003, 62489007, 187467021]

約数ペア:

[(1, 187467021), (3, 62489007), (7, 26781003), (9, 20829669), (21, 8927001), (27, 6943223), (63, 2975667), (189, 991889)]