137427921

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 218609664

約数和(自身を除く): 81181743

約数列:

[1, 3, 9, 23, 27, 67, 69, 81, 201, 207, 243, 367, 603, 621, 1101, 1541, 1809, 1863, 3303, 4623, 5427, 5589, 8441, 9909, 13869, 16281, 24589, 25323, 29727, 41607, 73767, 75969, 89181, 124821, 221301, 227907, 374463, 565547, 663903, 683721, 1696641, 1991709, 2051163, 5089923, 5975127, 15269769, 45809307, 137427921]

約数ペア:

[(1, 137427921), (3, 45809307), (9, 15269769), (23, 5975127), (27, 5089923), (67, 2051163), (69, 1991709), (81, 1696641), (201, 683721), (207, 663903), (243, 565547), (367, 374463), (603, 227907), (621, 221301), (1101, 124821), (1541, 89181), (1809, 75969), (1863, 73767), (3303, 41607), (4623, 29727), (5427, 25323), (5589, 24589), (8441, 16281), (9909, 13869)]