2778877935

素因数分解:

$3^4\times 5^1\times {\mathrm{6861427}}^1$

素因数の和:6861444

約数の個数: 20

約数和(自身を含む): 4981396728

約数和(自身を除く): 2202518793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6861427, 20584281, 34307135, 61752843, 102921405, 185258529, 308764215, 555775587, 926292645, 2778877935]

約数ペア:

[(1, 2778877935), (3, 926292645), (5, 555775587), (9, 308764215), (15, 185258529), (27, 102921405), (45, 61752843), (81, 34307135), (135, 20584281), (405, 6861427)]