249543021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{4099}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 411443200

約数和(自身を除く): 161900179

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1561, 2899, 4099, 4683, 8697, 12297, 20293, 28693, 53287, 60879, 86079, 159861, 373009, 914077, 1119027, 2742231, 6398539, 11883001, 19195617, 35649003, 83181007, 249543021]

約数ペア:

[(1, 249543021), (3, 83181007), (7, 35649003), (13, 19195617), (21, 11883001), (39, 6398539), (91, 2742231), (223, 1119027), (273, 914077), (669, 373009), (1561, 159861), (2899, 86079), (4099, 60879), (4683, 53287), (8697, 28693), (12297, 20293)]