28487685

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 48273408

約数和(自身を除く): 19785723

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1163, 1633, 3489, 4899, 5815, 8165, 17445, 24495, 26749, 80247, 82573, 133745, 247719, 401235, 412865, 1238595, 1899179, 5697537, 9495895, 28487685]

約数ペア:

[(1, 28487685), (3, 9495895), (5, 5697537), (15, 1899179), (23, 1238595), (69, 412865), (71, 401235), (115, 247719), (213, 133745), (345, 82573), (355, 80247), (1065, 26749), (1163, 24495), (1633, 17445), (3489, 8165), (4899, 5815)]