57750021

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6691}}^1$

素因数の和:6841

約数の個数: 24

約数和(自身を含む): 96043584

約数和(自身を除く): 38293563

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 6691, 8631, 20073, 46837, 60219, 140511, 421533, 916667, 2750001, 6416669, 8250003, 19250007, 57750021]

約数ペア:

[(1, 57750021), (3, 19250007), (7, 8250003), (9, 6416669), (21, 2750001), (63, 916667), (137, 421533), (411, 140511), (959, 60219), (1233, 46837), (2877, 20073), (6691, 8631)]