247647555

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239273}}^1$

素因数の和:239307

約数の個数: 24

約数和(自身を含む): 447920928

約数和(自身を除く): 200273373

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 239273, 717819, 1196365, 2153457, 3589095, 5503279, 10767285, 16509837, 27516395, 49529511, 82549185, 247647555]

約数ペア:

[(1, 247647555), (3, 82549185), (5, 49529511), (9, 27516395), (15, 16509837), (23, 10767285), (45, 5503279), (69, 3589095), (115, 2153457), (207, 1196365), (345, 717819), (1035, 239273)]