31907589

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 51932160

約数和(自身を除く): 20024571

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 643, 973, 1929, 2363, 2919, 4501, 7089, 10931, 13503, 16541, 32793, 49623, 76517, 89377, 229551, 268131, 625639, 1519409, 1876917, 4558227, 10635863, 31907589]

約数ペア:

[(1, 31907589), (3, 10635863), (7, 4558227), (17, 1876917), (21, 1519409), (51, 625639), (119, 268131), (139, 229551), (357, 89377), (417, 76517), (643, 49623), (973, 32793), (1929, 16541), (2363, 13503), (2919, 10931), (4501, 7089)]