209888943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 312064512

約数和(自身を除く): 102175569

約数列:

[1, 3, 11, 33, 73, 151, 219, 453, 577, 803, 1661, 1731, 2409, 4983, 6347, 11023, 19041, 33069, 42121, 87127, 121253, 126363, 261381, 363759, 463331, 958397, 1389993, 2875191, 6360271, 19080813, 69962981, 209888943]

約数ペア:

[(1, 209888943), (3, 69962981), (11, 19080813), (33, 6360271), (73, 2875191), (151, 1389993), (219, 958397), (453, 463331), (577, 363759), (803, 261381), (1661, 126363), (1731, 121253), (2409, 87127), (4983, 42121), (6347, 33069), (11023, 19041)]