897889713

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{638159}}^1$

素因数の和:638236

約数の個数: 16

約数和(自身を含む): 1388636160

約数和(自身を除く): 490746447

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 638159, 1914477, 4467113, 13401339, 42756653, 128269959, 299296571, 897889713]

約数ペア:

[(1, 897889713), (3, 299296571), (7, 128269959), (21, 42756653), (67, 13401339), (201, 4467113), (469, 1914477), (1407, 638159)]