12880119

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1699}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 20726400

約数和(自身を除く): 7846281

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 1699, 2527, 5097, 7581, 11893, 32281, 35679, 96843, 225967, 613339, 677901, 1840017, 4293373, 12880119]

約数ペア:

[(1, 12880119), (3, 4293373), (7, 1840017), (19, 677901), (21, 613339), (57, 225967), (133, 96843), (361, 35679), (399, 32281), (1083, 11893), (1699, 7581), (2527, 5097)]