251412483

素因数分解:

$3^1\times 7^3\times {\mathrm{263}}^1\times {\mathrm{929}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 392832000

約数和(自身を除く): 141419517

約数列:

[1, 3, 7, 21, 49, 147, 263, 343, 789, 929, 1029, 1841, 2787, 5523, 6503, 12887, 19509, 38661, 45521, 90209, 136563, 244327, 270627, 318647, 732981, 955941, 1710289, 5130867, 11972023, 35916069, 83804161, 251412483]

約数ペア:

[(1, 251412483), (3, 83804161), (7, 35916069), (21, 11972023), (49, 5130867), (147, 1710289), (263, 955941), (343, 732981), (789, 318647), (929, 270627), (1029, 244327), (1841, 136563), (2787, 90209), (5523, 45521), (6503, 38661), (12887, 19509)]