2253951

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 4001400

約数和(自身を除く): 1747449

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 269, 399, 441, 807, 931, 1197, 1883, 2421, 2793, 5111, 5649, 8379, 13181, 15333, 16947, 35777, 39543, 45999, 107331, 118629, 250439, 321993, 751317, 2253951]

約数ペア:

[(1, 2253951), (3, 751317), (7, 321993), (9, 250439), (19, 118629), (21, 107331), (49, 45999), (57, 39543), (63, 35777), (133, 16947), (147, 15333), (171, 13181), (269, 8379), (399, 5649), (441, 5111), (807, 2793), (931, 2421), (1197, 1883)]