27978975

素因数分解:

$3^2\times 5^2\times {\mathrm{124351}}^1$

素因数の和:124367

約数の個数: 18

約数和(自身を含む): 50113856

約数和(自身を除く): 22134881

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 124351, 373053, 621755, 1119159, 1865265, 3108775, 5595795, 9326325, 27978975]

約数ペア:

[(1, 27978975), (3, 9326325), (5, 5595795), (9, 3108775), (15, 1865265), (25, 1119159), (45, 621755), (75, 373053), (225, 124351)]