155704405

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1\times {\mathrm{761}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 189024768

約数和(自身を除く): 33320363

約数列:

[1, 5, 151, 271, 755, 761, 1355, 3805, 40921, 114911, 204605, 206231, 574555, 1031155, 31140881, 155704405]

約数ペア:

[(1, 155704405), (5, 31140881), (151, 1031155), (271, 574555), (755, 206231), (761, 204605), (1355, 114911), (3805, 40921)]