2978547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 4790016

約数和(自身を除く): 1811469

約数列:

[1, 3, 11, 13, 33, 39, 53, 131, 143, 159, 393, 429, 583, 689, 1441, 1703, 1749, 2067, 4323, 5109, 6943, 7579, 18733, 20829, 22737, 56199, 76373, 90259, 229119, 270777, 992849, 2978547]

約数ペア:

[(1, 2978547), (3, 992849), (11, 270777), (13, 229119), (33, 90259), (39, 76373), (53, 56199), (131, 22737), (143, 20829), (159, 18733), (393, 7579), (429, 6943), (583, 5109), (689, 4323), (1441, 2067), (1703, 1749)]