149403947

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{19211}}^1$

素因数の和:19330

約数の個数: 16

約数和(自身を含む): 188123904

約数和(自身を除く): 38719957

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 19211, 134477, 211321, 1479247, 1940311, 13582177, 21343421, 149403947]

約数ペア:

[(1, 149403947), (7, 21343421), (11, 13582177), (77, 1940311), (101, 1479247), (707, 211321), (1111, 134477), (7777, 19211)]