194472009

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{30391}}^1$

素因数の和:30482

約数の個数: 20

約数和(自身を含む): 294194560

約数和(自身を除く): 99722551

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 30391, 91173, 273519, 820557, 2400889, 2461671, 7202667, 21608001, 64824003, 194472009]

約数ペア:

[(1, 194472009), (3, 64824003), (9, 21608001), (27, 7202667), (79, 2461671), (81, 2400889), (237, 820557), (711, 273519), (2133, 91173), (6399, 30391)]