221788215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{448057}}^1$

素因数の和:448079

約数の個数: 24

約数和(自身を含む): 419382288

約数和(自身を除く): 197594073

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 448057, 1344171, 2240285, 4032513, 4928627, 6720855, 14785881, 20162565, 24643135, 44357643, 73929405, 221788215]

約数ペア:

[(1, 221788215), (3, 73929405), (5, 44357643), (9, 24643135), (11, 20162565), (15, 14785881), (33, 6720855), (45, 4928627), (55, 4032513), (99, 2240285), (165, 1344171), (495, 448057)]