147739991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20959}}^1$

素因数の和:21038

約数の個数: 16

約数和(自身を含む): 181094400

約数和(自身を除く): 33354409

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 20959, 146713, 398221, 1110827, 2787547, 7775789, 21105713, 147739991]

約数ペア:

[(1, 147739991), (7, 21105713), (19, 7775789), (53, 2787547), (133, 1110827), (371, 398221), (1007, 146713), (7049, 20959)]