65215353

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2239}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 106086400

約数和(自身を除く): 40871047

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 2239, 4161, 6717, 9709, 15673, 29127, 42541, 47019, 127623, 163447, 297787, 490341, 893361, 1144129, 3105493, 3432387, 9316479, 21738451, 65215353]

約数ペア:

[(1, 65215353), (3, 21738451), (7, 9316479), (19, 3432387), (21, 3105493), (57, 1144129), (73, 893361), (133, 490341), (219, 297787), (399, 163447), (511, 127623), (1387, 47019), (1533, 42541), (2239, 29127), (4161, 15673), (6717, 9709)]