205031337

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{10487}}^1$

素因数の和:10530

約数の個数: 32

約数和(自身を含む): 335616000

約数和(自身を除く): 130584663

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 10487, 19551, 31461, 73409, 199253, 220227, 513863, 597759, 1394771, 1541589, 3597041, 4184313, 9763397, 10791123, 29290191, 68343779, 205031337]

約数ペア:

[(1, 205031337), (3, 68343779), (7, 29290191), (19, 10791123), (21, 9763397), (49, 4184313), (57, 3597041), (133, 1541589), (147, 1394771), (343, 597759), (399, 513863), (931, 220227), (1029, 199253), (2793, 73409), (6517, 31461), (10487, 19551)]