31811997

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 50061312

約数和(自身を除く): 18249315

約数列:

[1, 3, 7, 21, 47, 141, 167, 193, 329, 501, 579, 987, 1169, 1351, 3507, 4053, 7849, 9071, 23547, 27213, 32231, 54943, 63497, 96693, 164829, 190491, 225617, 676851, 1514857, 4544571, 10603999, 31811997]

約数ペア:

[(1, 31811997), (3, 10603999), (7, 4544571), (21, 1514857), (47, 676851), (141, 225617), (167, 190491), (193, 164829), (329, 96693), (501, 63497), (579, 54943), (987, 32231), (1169, 27213), (1351, 23547), (3507, 9071), (4053, 7849)]