199921515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{701479}}^1$

素因数の和:701506

約数の個数: 16

約数和(自身を含む): 336710400

約数和(自身を除く): 136788885

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 701479, 2104437, 3507395, 10522185, 13328101, 39984303, 66640505, 199921515]

約数ペア:

[(1, 199921515), (3, 66640505), (5, 39984303), (15, 13328101), (19, 10522185), (57, 3507395), (95, 2104437), (285, 701479)]