420160321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^2$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 517912704

約数和(自身を除く): 97752383

約数列:

[1, 7, 17, 71, 119, 223, 497, 1207, 1561, 3791, 8449, 15833, 26537, 49729, 110831, 269161, 348103, 845393, 1884127, 3530759, 5917751, 24715313, 60022903, 420160321]

約数ペア:

[(1, 420160321), (7, 60022903), (17, 24715313), (71, 5917751), (119, 3530759), (223, 1884127), (497, 845393), (1207, 348103), (1561, 269161), (3791, 110831), (8449, 49729), (15833, 26537)]