201620821353

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{919019}}^1$

素因数の和:919397

約数の個数: 32

約数和(自身を含む): 318083850240

約数和(自身を除く): 116463028887

約数列:

[1, 3, 7, 21, 31, 93, 217, 337, 651, 1011, 2359, 7077, 10447, 31341, 73129, 219387, 919019, 2757057, 6433133, 19299399, 28489589, 85468767, 199427123, 309709403, 598281369, 929128209, 2167965821, 6503897463, 9600991493, 28802974479, 67206940451, 201620821353]

約数ペア:

[(1, 201620821353), (3, 67206940451), (7, 28802974479), (21, 9600991493), (31, 6503897463), (93, 2167965821), (217, 929128209), (337, 598281369), (651, 309709403), (1011, 199427123), (2359, 85468767), (7077, 28489589), (10447, 19299399), (31341, 6433133), (73129, 2757057), (219387, 919019)]