78404895

素因数分解:

$3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1493}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 139838400

約数和(自身を除く): 61433505

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 389, 1167, 1493, 1945, 3501, 4479, 5835, 7465, 10503, 13437, 17505, 22395, 40311, 52515, 67185, 201555, 580777, 1742331, 2903885, 5226993, 8711655, 15680979, 26134965, 78404895]

約数ペア:

[(1, 78404895), (3, 26134965), (5, 15680979), (9, 8711655), (15, 5226993), (27, 2903885), (45, 1742331), (135, 580777), (389, 201555), (1167, 67185), (1493, 52515), (1945, 40311), (3501, 22395), (4479, 17505), (5835, 13437), (7465, 10503)]