51201153

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 80498880

約数和(自身を除く): 29297727

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 261, 307, 639, 783, 921, 1917, 2059, 2349, 2763, 5751, 6177, 8289, 8903, 18531, 21797, 24867, 26709, 55593, 65391, 80127, 166779, 196173, 240381, 588519, 632113, 721143, 1765557, 1896339, 5689017, 17067051, 51201153]

約数ペア:

[(1, 51201153), (3, 17067051), (9, 5689017), (27, 1896339), (29, 1765557), (71, 721143), (81, 632113), (87, 588519), (213, 240381), (261, 196173), (307, 166779), (639, 80127), (783, 65391), (921, 55593), (1917, 26709), (2059, 24867), (2349, 21797), (2763, 18531), (5751, 8903), (6177, 8289)]