2019802017

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{3967}}^1$

素因数の和:4197

約数の個数: 32

約数和(自身を含む): 2888957952

約数和(自身を除く): 869155935

約数列:

[1, 3, 23, 47, 69, 141, 157, 471, 1081, 3243, 3611, 3967, 7379, 10833, 11901, 22137, 91241, 169717, 186449, 273723, 509151, 559347, 622819, 1868457, 4288327, 12864981, 14324837, 29272493, 42974511, 87817479, 673267339, 2019802017]

約数ペア:

[(1, 2019802017), (3, 673267339), (23, 87817479), (47, 42974511), (69, 29272493), (141, 14324837), (157, 12864981), (471, 4288327), (1081, 1868457), (3243, 622819), (3611, 559347), (3967, 509151), (7379, 273723), (10833, 186449), (11901, 169717), (22137, 91241)]