217161756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{287251}}^1$

素因数の和:287271

約数の個数: 48

約数和(自身を含む): 643444480

約数和(自身を除く): 426282724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 287251, 574502, 861753, 1149004, 1723506, 2010757, 2585259, 3447012, 4021514, 5170518, 6032271, 7755777, 8043028, 10341036, 12064542, 15511554, 18096813, 24129084, 31023108, 36193626, 54290439, 72387252, 108580878, 217161756]

約数ペア:

[(1, 217161756), (2, 108580878), (3, 72387252), (4, 54290439), (6, 36193626), (7, 31023108), (9, 24129084), (12, 18096813), (14, 15511554), (18, 12064542), (21, 10341036), (27, 8043028), (28, 7755777), (36, 6032271), (42, 5170518), (54, 4021514), (63, 3447012), (84, 2585259), (108, 2010757), (126, 1723506), (189, 1149004), (252, 861753), (378, 574502), (756, 287251)]