199431141

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2207}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 328409088

約数和(自身を除く): 128977947

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 331, 993, 2207, 2317, 4303, 6621, 6951, 12909, 15449, 28691, 30121, 46347, 86073, 90363, 200837, 602511, 730517, 2191551, 5113619, 9496721, 15340857, 28490163, 66477047, 199431141]

約数ペア:

[(1, 199431141), (3, 66477047), (7, 28490163), (13, 15340857), (21, 9496721), (39, 5113619), (91, 2191551), (273, 730517), (331, 602511), (993, 200837), (2207, 90363), (2317, 86073), (4303, 46347), (6621, 30121), (6951, 28691), (12909, 15449)]