921861

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:630

約数の個数: 20

約数和(自身を含む): 1452000

約数和(自身を除く): 530139

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 599, 1539, 1797, 5391, 11381, 16173, 34143, 48519, 102429, 307287, 921861]

約数ペア:

[(1, 921861), (3, 307287), (9, 102429), (19, 48519), (27, 34143), (57, 16173), (81, 11381), (171, 5391), (513, 1797), (599, 1539)]