1420983

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 20

約数和(自身を含む): 2169288

約数和(自身を除く): 748305

約数列:

[1, 3, 9, 27, 53, 81, 159, 331, 477, 993, 1431, 2979, 4293, 8937, 17543, 26811, 52629, 157887, 473661, 1420983]

約数ペア:

[(1, 1420983), (3, 473661), (9, 157887), (27, 52629), (53, 26811), (81, 17543), (159, 8937), (331, 4293), (477, 2979), (993, 1431)]