209859853521

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1\times {\mathrm{1478209}}^1$

素因数の和:1479528

約数の個数: 16

約数和(自身を含む): 287600537600

約数和(自身を除く): 77740684079

約数列:

[1, 3, 37, 111, 1279, 3837, 47323, 141969, 1478209, 4434627, 54693733, 164081199, 1890629311, 5671887933, 69953284507, 209859853521]

約数ペア:

[(1, 209859853521), (3, 69953284507), (37, 5671887933), (111, 1890629311), (1279, 164081199), (3837, 54693733), (47323, 4434627), (141969, 1478209)]