218223891

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{9781}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 328596944

約数和(自身を除く): 110373053

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 2479, 7437, 9781, 22311, 29343, 88029, 361897, 655327, 1085691, 1965981, 3257073, 5897943, 24247099, 72741297, 218223891]

約数ペア:

[(1, 218223891), (3, 72741297), (9, 24247099), (37, 5897943), (67, 3257073), (111, 1965981), (201, 1085691), (333, 655327), (603, 361897), (2479, 88029), (7437, 29343), (9781, 22311)]