864339

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 1336320

約数和(自身を除く): 471981

約数列:

[1, 3, 7, 21, 79, 237, 521, 553, 1563, 1659, 3647, 10941, 41159, 123477, 288113, 864339]

約数ペア:

[(1, 864339), (3, 288113), (7, 123477), (21, 41159), (79, 10941), (237, 3647), (521, 1659), (553, 1563)]