201780531

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7451}}^1$

素因数の和:7536

約数の個数: 32

約数和(自身を含む): 321926400

約数和(自身を除く): 120145869

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 1003, 1593, 3009, 7451, 9027, 22353, 27081, 67059, 126667, 201177, 380001, 439609, 1140003, 1318827, 3420009, 3956481, 7473353, 11869443, 22420059, 67260177, 201780531]

約数ペア:

[(1, 201780531), (3, 67260177), (9, 22420059), (17, 11869443), (27, 7473353), (51, 3956481), (59, 3420009), (153, 1318827), (177, 1140003), (459, 439609), (531, 380001), (1003, 201177), (1593, 126667), (3009, 67059), (7451, 27081), (9027, 22353)]