16402743

素因数分解:

$3^5\times 7^1\times {\mathrm{9643}}^1$

素因数の和:9665

約数の個数: 24

約数和(自身を含む): 28083328

約数和(自身を除く): 11680585

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 9643, 28929, 67501, 86787, 202503, 260361, 607509, 781083, 1822527, 2343249, 5467581, 16402743]

約数ペア:

[(1, 16402743), (3, 5467581), (7, 2343249), (9, 1822527), (21, 781083), (27, 607509), (63, 260361), (81, 202503), (189, 86787), (243, 67501), (567, 28929), (1701, 9643)]