1395873

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 20

約数和(自身を含む): 2197360

約数和(自身を除く): 801487

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 907, 1539, 2721, 8163, 17233, 24489, 51699, 73467, 155097, 465291, 1395873]

約数ペア:

[(1, 1395873), (3, 465291), (9, 155097), (19, 73467), (27, 51699), (57, 24489), (81, 17233), (171, 8163), (513, 2721), (907, 1539)]