40137507

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 61371648

約数和(自身を除く): 21234141

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 2731, 4899, 8193, 14697, 24579, 62813, 188439, 193901, 565317, 581703, 1745109, 4459723, 13379169, 40137507]

約数ペア:

[(1, 40137507), (3, 13379169), (9, 4459723), (23, 1745109), (69, 581703), (71, 565317), (207, 193901), (213, 188439), (639, 62813), (1633, 24579), (2731, 14697), (4899, 8193)]