196988883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{721571}}^1$

素因数の和:721594

約数の個数: 16

約数和(自身を含む): 323264256

約数和(自身を除く): 126275373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 721571, 2164713, 5050997, 9380423, 15152991, 28141269, 65662961, 196988883]

約数ペア:

[(1, 196988883), (3, 65662961), (7, 28141269), (13, 15152991), (21, 9380423), (39, 5050997), (91, 2164713), (273, 721571)]