420294903

素因数分解:

$3^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{10103}}^1$

素因数の和:10403

約数の個数: 24

約数和(自身を含む): 654254208

約数和(自身を除く): 233959305

約数列:

[1, 3, 7, 21, 49, 147, 283, 849, 1981, 5943, 10103, 13867, 30309, 41601, 70721, 212163, 495047, 1485141, 2859149, 8577447, 20014043, 60042129, 140098301, 420294903]

約数ペア:

[(1, 420294903), (3, 140098301), (7, 60042129), (21, 20014043), (49, 8577447), (147, 2859149), (283, 1485141), (849, 495047), (1981, 212163), (5943, 70721), (10103, 41601), (13867, 30309)]