80781855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69941}}^1$

素因数の和:69967

約数の個数: 32

約数和(自身を含む): 161146368

約数和(自身を除く): 80364513

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 69941, 209823, 349705, 489587, 769351, 1049115, 1468761, 2308053, 2447935, 3846755, 5385457, 7343805, 11540265, 16156371, 26927285, 80781855]

約数ペア:

[(1, 80781855), (3, 26927285), (5, 16156371), (7, 11540265), (11, 7343805), (15, 5385457), (21, 3846755), (33, 2447935), (35, 2308053), (55, 1468761), (77, 1049115), (105, 769351), (165, 489587), (231, 349705), (385, 209823), (1155, 69941)]