51428601

素因数分解:

$3^4\times 7^1\times {\mathrm{90703}}^1$

素因数の和:90722

約数の個数: 20

約数和(自身を含む): 87801472

約数和(自身を除く): 36372871

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90703, 272109, 634921, 816327, 1904763, 2448981, 5714289, 7346943, 17142867, 51428601]

約数ペア:

[(1, 51428601), (3, 17142867), (7, 7346943), (9, 5714289), (21, 2448981), (27, 1904763), (63, 816327), (81, 634921), (189, 272109), (567, 90703)]