201812571

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 295080240

約数和(自身を除く): 93267669

約数列:

[1, 3, 9, 139, 353, 417, 457, 1059, 1251, 1371, 3177, 4113, 49067, 63523, 147201, 161321, 190569, 441603, 483963, 571707, 1451889, 22423619, 67270857, 201812571]

約数ペア:

[(1, 201812571), (3, 67270857), (9, 22423619), (139, 1451889), (353, 571707), (417, 483963), (457, 441603), (1059, 190569), (1251, 161321), (1371, 147201), (3177, 63523), (4113, 49067)]