209620005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1996381}}^1$

素因数の和:1996396

約数の個数: 16

約数和(自身を含む): 383305344

約数和(自身を除く): 173685339

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1996381, 5989143, 9981905, 13974667, 29945715, 41924001, 69873335, 209620005]

約数ペア:

[(1, 209620005), (3, 69873335), (5, 41924001), (7, 29945715), (15, 13974667), (21, 9981905), (35, 5989143), (105, 1996381)]