201921945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{25447}}^1$

素因数の和:25501

約数の個数: 24

約数和(自身を含む): 337745856

約数和(自身を除く): 135823911

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 7935, 25447, 76341, 127235, 381705, 585281, 1755843, 2926405, 8779215, 13461463, 40384389, 67307315, 201921945]

約数ペア:

[(1, 201921945), (3, 67307315), (5, 40384389), (15, 13461463), (23, 8779215), (69, 2926405), (115, 1755843), (345, 585281), (529, 381705), (1587, 127235), (2645, 76341), (7935, 25447)]