221446395

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{47777}}^1$

素因数の和:47891

約数の個数: 24

約数和(自身を含む): 387575136

約数和(自身を除く): 166128741

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 47777, 143331, 238885, 429993, 716655, 2149965, 4921031, 14763093, 24605155, 44289279, 73815465, 221446395]

約数ペア:

[(1, 221446395), (3, 73815465), (5, 44289279), (9, 24605155), (15, 14763093), (45, 4921031), (103, 2149965), (309, 716655), (515, 429993), (927, 238885), (1545, 143331), (4635, 47777)]