15278049

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{3209}}^1$

素因数の和:3261

約数の個数: 18

約数和(自身を含む): 23076690

約数和(自身を除く): 7798641

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 3209, 4761, 9627, 28881, 73807, 221421, 664263, 1697561, 5092683, 15278049]

約数ペア:

[(1, 15278049), (3, 5092683), (9, 1697561), (23, 664263), (69, 221421), (207, 73807), (529, 28881), (1587, 9627), (3209, 4761)]