263491071

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{64439}}^1$

素因数の和:64518

約数の個数: 16

約数和(自身を含む): 371174400

約数和(自身を除く): 107683329

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 64439, 193317, 1868731, 3028633, 5606193, 9085899, 87830357, 263491071]

約数ペア:

[(1, 263491071), (3, 87830357), (29, 9085899), (47, 5606193), (87, 3028633), (141, 1868731), (1363, 193317), (4089, 64439)]