1670949

素因数分解:

$3^4\times 7^2\times {\mathrm{421}}^1$

素因数の和:447

約数の個数: 30

約数和(自身を含む): 2910534

約数和(自身を除く): 1239585

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 421, 441, 567, 1263, 1323, 2947, 3789, 3969, 8841, 11367, 20629, 26523, 34101, 61887, 79569, 185661, 238707, 556983, 1670949]

約数ペア:

[(1, 1670949), (3, 556983), (7, 238707), (9, 185661), (21, 79569), (27, 61887), (49, 34101), (63, 26523), (81, 20629), (147, 11367), (189, 8841), (421, 3969), (441, 3789), (567, 2947), (1263, 1323)]