51540219

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{9497}}^1$

素因数の和:9576

約数の個数: 20

約数和(自身を含む): 78149544

約数和(自身を除く): 26609325

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 9497, 28491, 85473, 256419, 636299, 769257, 1908897, 5726691, 17180073, 51540219]

約数ペア:

[(1, 51540219), (3, 17180073), (9, 5726691), (27, 1908897), (67, 769257), (81, 636299), (201, 256419), (603, 85473), (1809, 28491), (5427, 9497)]