28943265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8731}}^1$

素因数の和:8769

約数の個数: 32

約数和(自身を含む): 52811136

約数和(自身を除く): 23867871

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 8731, 26193, 43655, 113503, 130965, 148427, 340509, 445281, 567515, 742135, 1702545, 1929551, 2226405, 5788653, 9647755, 28943265]

約数ペア:

[(1, 28943265), (3, 9647755), (5, 5788653), (13, 2226405), (15, 1929551), (17, 1702545), (39, 742135), (51, 567515), (65, 445281), (85, 340509), (195, 148427), (221, 130965), (255, 113503), (663, 43655), (1105, 26193), (3315, 8731)]