209250987

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 325430784

約数和(自身を除く): 116179797

約数列:

[1, 3, 11, 23, 33, 69, 71, 121, 213, 253, 353, 363, 759, 781, 1059, 1633, 2343, 2783, 3883, 4899, 8119, 8349, 8591, 11649, 17963, 24357, 25063, 25773, 42713, 53889, 75189, 89309, 128139, 197593, 267927, 275693, 576449, 592779, 827079, 982399, 1729347, 2947197, 3032623, 6340939, 9097869, 19022817, 69750329, 209250987]

約数ペア:

[(1, 209250987), (3, 69750329), (11, 19022817), (23, 9097869), (33, 6340939), (69, 3032623), (71, 2947197), (121, 1729347), (213, 982399), (253, 827079), (353, 592779), (363, 576449), (759, 275693), (781, 267927), (1059, 197593), (1633, 128139), (2343, 89309), (2783, 75189), (3883, 53889), (4899, 42713), (8119, 25773), (8349, 25063), (8591, 24357), (11649, 17963)]