201686289

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{121571}}^1$

素因数の和:121660

約数の個数: 16

約数和(自身を含む): 311224320

約数和(自身を除く): 109538031

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 121571, 364713, 850997, 2552991, 9604109, 28812327, 67228763, 201686289]

約数ペア:

[(1, 201686289), (3, 67228763), (7, 28812327), (21, 9604109), (79, 2552991), (237, 850997), (553, 364713), (1659, 121571)]