217590303

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{2887}}^1$

素因数の和:3031

約数の個数: 32

約数和(自身を含む): 344157184

約数和(自身を除く): 126566881

約数列:

[1, 3, 7, 21, 37, 97, 111, 259, 291, 679, 777, 2037, 2887, 3589, 8661, 10767, 20209, 25123, 60627, 75369, 106819, 280039, 320457, 747733, 840117, 1960273, 2243199, 5880819, 10361443, 31084329, 72530101, 217590303]

約数ペア:

[(1, 217590303), (3, 72530101), (7, 31084329), (21, 10361443), (37, 5880819), (97, 2243199), (111, 1960273), (259, 840117), (291, 747733), (679, 320457), (777, 280039), (2037, 106819), (2887, 75369), (3589, 60627), (8661, 25123), (10767, 20209)]