210945399

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3719}}^1$

素因数の和:3839

約数の個数: 32

約数和(自身を含む): 334740480

約数和(自身を除く): 123795081

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2701, 3719, 8103, 11157, 18907, 26033, 56721, 78099, 137603, 271487, 412809, 814461, 963221, 1900409, 2889663, 5701227, 10045019, 30135057, 70315133, 210945399]

約数ペア:

[(1, 210945399), (3, 70315133), (7, 30135057), (21, 10045019), (37, 5701227), (73, 2889663), (111, 1900409), (219, 963221), (259, 814461), (511, 412809), (777, 271487), (1533, 137603), (2701, 78099), (3719, 56721), (8103, 26033), (11157, 18907)]