18180531

素因数分解:

$3^8\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 29050632

約数和(自身を除く): 10870101

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 163, 243, 459, 489, 729, 1377, 1467, 2187, 2771, 4131, 4401, 6561, 8313, 12393, 13203, 24939, 37179, 39609, 74817, 111537, 118827, 224451, 356481, 673353, 1069443, 2020059, 6060177, 18180531]

約数ペア:

[(1, 18180531), (3, 6060177), (9, 2020059), (17, 1069443), (27, 673353), (51, 356481), (81, 224451), (153, 118827), (163, 111537), (243, 74817), (459, 39609), (489, 37179), (729, 24939), (1377, 13203), (1467, 12393), (2187, 8313), (2771, 6561), (4131, 4401)]