1821029

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 2188800

約数和(自身を除く): 367771

約数列:

[1, 7, 37, 79, 89, 259, 553, 623, 2923, 3293, 7031, 20461, 23051, 49217, 260147, 1821029]

約数ペア:

[(1, 1821029), (7, 260147), (37, 49217), (79, 23051), (89, 20461), (259, 7031), (553, 3293), (623, 2923)]