28151865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89371}}^1$

素因数の和:89389

約数の個数: 24

約数和(自身を含む): 55768128

約数和(自身を除く): 27616263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 89371, 268113, 446855, 625597, 804339, 1340565, 1876791, 3127985, 4021695, 5630373, 9383955, 28151865]

約数ペア:

[(1, 28151865), (3, 9383955), (5, 5630373), (7, 4021695), (9, 3127985), (15, 1876791), (21, 1340565), (35, 804339), (45, 625597), (63, 446855), (105, 268113), (315, 89371)]