259178145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 456907392

約数和(自身を除く): 197729247

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 361, 437, 1083, 1311, 1805, 2081, 2185, 5415, 6243, 6555, 8303, 10405, 24909, 31215, 39539, 41515, 47863, 118617, 124545, 143589, 197695, 239315, 593085, 717945, 751241, 909397, 2253723, 2728191, 3756205, 4546985, 11268615, 13640955, 17278543, 51835629, 86392715, 259178145]

約数ペア:

[(1, 259178145), (3, 86392715), (5, 51835629), (15, 17278543), (19, 13640955), (23, 11268615), (57, 4546985), (69, 3756205), (95, 2728191), (115, 2253723), (285, 909397), (345, 751241), (361, 717945), (437, 593085), (1083, 239315), (1311, 197695), (1805, 143589), (2081, 124545), (2185, 118617), (5415, 47863), (6243, 41515), (6555, 39539), (8303, 31215), (10405, 24909)]