153965987

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 191793600

約数和(自身を除く): 37827613

約数列:

[1, 7, 19, 49, 59, 133, 413, 931, 1121, 2803, 2891, 7847, 19621, 53257, 54929, 137347, 165377, 372799, 1157639, 2609593, 3142163, 8103473, 21995141, 153965987]

約数ペア:

[(1, 153965987), (7, 21995141), (19, 8103473), (49, 3142163), (59, 2609593), (133, 1157639), (413, 372799), (931, 165377), (1121, 137347), (2803, 54929), (2891, 53257), (7847, 19621)]