208479999

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{763663}}^1$

素因数の和:763686

約数の個数: 16

約数和(自身を含む): 342121472

約数和(自身を除く): 133641473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 763663, 2290989, 5345641, 9927619, 16036923, 29782857, 69493333, 208479999]

約数ペア:

[(1, 208479999), (3, 69493333), (7, 29782857), (13, 16036923), (21, 9927619), (39, 5345641), (91, 2290989), (273, 763663)]