138840219

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{16823}}^1$

素因数の和:16967

約数の個数: 24

約数和(自身を含む): 230959872

約数和(自身を除く): 92119653

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 16823, 50469, 117761, 151407, 353283, 1059849, 2203813, 6611439, 15426691, 19834317, 46280073, 138840219]

約数ペア:

[(1, 138840219), (3, 46280073), (7, 19834317), (9, 15426691), (21, 6611439), (63, 2203813), (131, 1059849), (393, 353283), (917, 151407), (1179, 117761), (2751, 50469), (8253, 16823)]