215322555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{4871}}^1$

素因数の和:5307

約数の個数: 32

約数和(自身を含む): 394748928

約数和(自身を除く): 179426373

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 1263, 2105, 2947, 4871, 6315, 8841, 14613, 14735, 24355, 34097, 44205, 73065, 102291, 170485, 511455, 2050691, 6152073, 10253455, 14354837, 30760365, 43064511, 71774185, 215322555]

約数ペア:

[(1, 215322555), (3, 71774185), (5, 43064511), (7, 30760365), (15, 14354837), (21, 10253455), (35, 6152073), (105, 2050691), (421, 511455), (1263, 170485), (2105, 102291), (2947, 73065), (4871, 44205), (6315, 34097), (8841, 24355), (14613, 14735)]