688889331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{38993}}^1$

素因数の和:39163

約数の個数: 24

約数和(自身を含む): 1078730016

約数和(自身を除く): 389840685

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1963, 5889, 17667, 38993, 116979, 350937, 506909, 1520727, 4562181, 5887943, 17663829, 52991487, 76543259, 229629777, 688889331]

約数ペア:

[(1, 688889331), (3, 229629777), (9, 76543259), (13, 52991487), (39, 17663829), (117, 5887943), (151, 4562181), (453, 1520727), (1359, 506909), (1963, 350937), (5889, 116979), (17667, 38993)]