290278317

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{194687}}^1$

素因数の和:194768

約数の個数: 16

約数和(自身を含む): 448561152

約数和(自身を除く): 158282835

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 194687, 584061, 1362809, 4088427, 13822777, 41468331, 96759439, 290278317]

約数ペア:

[(1, 290278317), (3, 96759439), (7, 41468331), (21, 13822777), (71, 4088427), (213, 1362809), (497, 584061), (1491, 194687)]