156731547

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{20117}}^1$

素因数の和:20187

約数の個数: 24

約数和(自身を含む): 247692816

約数和(自身を除く): 90961269

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 20117, 60351, 140819, 422457, 985733, 1066201, 2957199, 3198603, 7463407, 22390221, 52243849, 156731547]

約数ペア:

[(1, 156731547), (3, 52243849), (7, 22390221), (21, 7463407), (49, 3198603), (53, 2957199), (147, 1066201), (159, 985733), (371, 422457), (1113, 140819), (2597, 60351), (7791, 20117)]