1970397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 3345888

約数和(自身を除く): 1375491

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1531, 4593, 13779, 16841, 19903, 50523, 59709, 151569, 179127, 218933, 656799, 1970397]

約数ペア:

[(1, 1970397), (3, 656799), (9, 218933), (11, 179127), (13, 151569), (33, 59709), (39, 50523), (99, 19903), (117, 16841), (143, 13779), (429, 4593), (1287, 1531)]