201399247

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{20507}}^1$

素因数の和:20598

約数の個数: 16

約数和(自身を含む): 244127232

約数和(自身を除く): 42727985

約数列:

[1, 7, 23, 61, 161, 427, 1403, 9821, 20507, 143549, 471661, 1250927, 3301627, 8756489, 28771321, 201399247]

約数ペア:

[(1, 201399247), (7, 28771321), (23, 8756489), (61, 3301627), (161, 1250927), (427, 471661), (1403, 143549), (9821, 20507)]