28988655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1543

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 20777745

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 1439, 4029, 4317, 6715, 7195, 20145, 21585, 24463, 73389, 113681, 122315, 341043, 366945, 568405, 1705215, 1932577, 5797731, 9662885, 28988655]

約数ペア:

[(1, 28988655), (3, 9662885), (5, 5797731), (15, 1932577), (17, 1705215), (51, 568405), (79, 366945), (85, 341043), (237, 122315), (255, 113681), (395, 73389), (1185, 24463), (1343, 21585), (1439, 20145), (4029, 7195), (4317, 6715)]