12747203

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 15595200

約数和(自身を除く): 2847997

約数列:

[1, 7, 37, 49, 79, 89, 259, 553, 623, 1813, 2923, 3293, 3871, 4361, 7031, 20461, 23051, 49217, 143227, 161357, 260147, 344519, 1821029, 12747203]

約数ペア:

[(1, 12747203), (7, 1821029), (37, 344519), (49, 260147), (79, 161357), (89, 143227), (259, 49217), (553, 23051), (623, 20461), (1813, 7031), (2923, 4361), (3293, 3871)]