28735791

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 46460928

約数和(自身を除く): 17725137

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 1193, 3441, 3579, 8029, 8351, 24087, 25053, 36983, 44141, 110949, 132423, 258881, 308987, 776643, 926961, 1368371, 4105113, 9578597, 28735791]

約数ペア:

[(1, 28735791), (3, 9578597), (7, 4105113), (21, 1368371), (31, 926961), (37, 776643), (93, 308987), (111, 258881), (217, 132423), (259, 110949), (651, 44141), (777, 36983), (1147, 25053), (1193, 24087), (3441, 8351), (3579, 8029)]