201921885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{407923}}^1$

素因数の和:407945

約数の個数: 24

約数和(自身を含む): 381816864

約数和(自身を除く): 179894979

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 407923, 1223769, 2039615, 3671307, 4487153, 6118845, 13461459, 18356535, 22435765, 40384377, 67307295, 201921885]

約数ペア:

[(1, 201921885), (3, 67307295), (5, 40384377), (9, 22435765), (11, 18356535), (15, 13461459), (33, 6118845), (45, 4487153), (55, 3671307), (99, 2039615), (165, 1223769), (495, 407923)]