2643255

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 4623840

約数和(自身を除く): 1980585

約数列:

[1, 3, 5, 9, 15, 45, 151, 389, 453, 755, 1167, 1359, 1945, 2265, 3501, 5835, 6795, 17505, 58739, 176217, 293695, 528651, 881085, 2643255]

約数ペア:

[(1, 2643255), (3, 881085), (5, 528651), (9, 293695), (15, 176217), (45, 58739), (151, 17505), (389, 6795), (453, 5835), (755, 3501), (1167, 2265), (1359, 1945)]