31397247

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{613}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 53442560

約数和(自身を除く): 22045313

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 613, 813, 1839, 1897, 2439, 4291, 5517, 5691, 7317, 12873, 16551, 17073, 38619, 51219, 115857, 166123, 498369, 1162861, 1495107, 3488583, 4485321, 10465749, 31397247]

約数ペア:

[(1, 31397247), (3, 10465749), (7, 4485321), (9, 3488583), (21, 1495107), (27, 1162861), (63, 498369), (189, 166123), (271, 115857), (613, 51219), (813, 38619), (1839, 17073), (1897, 16551), (2439, 12873), (4291, 7317), (5517, 5691)]