81990795

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6121}}^1$

素因数の和:6195

約数の個数: 32

約数和(自身を含む): 141050880

約数和(自身を除く): 59060085

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2679, 4465, 6121, 13395, 18363, 30605, 91815, 116299, 287687, 348897, 581495, 863061, 1438435, 1744485, 4315305, 5466053, 16398159, 27330265, 81990795]

約数ペア:

[(1, 81990795), (3, 27330265), (5, 16398159), (15, 5466053), (19, 4315305), (47, 1744485), (57, 1438435), (95, 863061), (141, 581495), (235, 348897), (285, 287687), (705, 116299), (893, 91815), (2679, 30605), (4465, 18363), (6121, 13395)]