1866807

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1244

約数の個数: 20

約数和(自身を含む): 2937880

約数和(自身を除く): 1071073

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1213, 1539, 3639, 10917, 23047, 32751, 69141, 98253, 207423, 622269, 1866807]

約数ペア:

[(1, 1866807), (3, 622269), (9, 207423), (19, 98253), (27, 69141), (57, 32751), (81, 23047), (171, 10917), (513, 3639), (1213, 1539)]