489319611

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 724405248

約数和(自身を除く): 235085637

約数列:

[1, 3, 11, 33, 83, 227, 249, 681, 787, 913, 2361, 2497, 2739, 7491, 8657, 18841, 25971, 56523, 65321, 178649, 195963, 207251, 535947, 621753, 718531, 1965139, 2155593, 5895417, 14827867, 44483601, 163106537, 489319611]

約数ペア:

[(1, 489319611), (3, 163106537), (11, 44483601), (33, 14827867), (83, 5895417), (227, 2155593), (249, 1965139), (681, 718531), (787, 621753), (913, 535947), (2361, 207251), (2497, 195963), (2739, 178649), (7491, 65321), (8657, 56523), (18841, 25971)]