1656693

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 20

約数和(自身を含む): 2510508

約数和(自身を除く): 853815

約数列:

[1, 3, 9, 27, 81, 113, 181, 339, 543, 1017, 1629, 3051, 4887, 9153, 14661, 20453, 61359, 184077, 552231, 1656693]

約数ペア:

[(1, 1656693), (3, 552231), (9, 184077), (27, 61359), (81, 20453), (113, 14661), (181, 9153), (339, 4887), (543, 3051), (1017, 1629)]