17979381

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12663819

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 379, 753, 1137, 1757, 2259, 2653, 3411, 5271, 6777, 7959, 10233, 15813, 23877, 47439, 71631, 95129, 285387, 665903, 856161, 1997709, 2568483, 5993127, 17979381]

約数ペア:

[(1, 17979381), (3, 5993127), (7, 2568483), (9, 1997709), (21, 856161), (27, 665903), (63, 285387), (189, 95129), (251, 71631), (379, 47439), (753, 23877), (1137, 15813), (1757, 10233), (2259, 7959), (2653, 6777), (3411, 5271)]