81738761655

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{39203243}}^1$

素因数の和:39203390

約数の個数: 16

約数和(自身を含む): 131722899840

約数和(自身を除く): 49984138185

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 39203243, 117609729, 196016215, 588048645, 5449250777, 16347752331, 27246253885, 81738761655]

約数ペア:

[(1, 81738761655), (3, 27246253885), (5, 16347752331), (15, 5449250777), (139, 588048645), (417, 196016215), (695, 117609729), (2085, 39203243)]