28478751

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{1283}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 44498304

約数和(自身を除く): 16019553

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 1057, 1283, 3171, 3849, 7399, 8981, 22197, 26943, 62867, 188601, 193733, 581199, 1356131, 4068393, 9492917, 28478751]

約数ペア:

[(1, 28478751), (3, 9492917), (7, 4068393), (21, 1356131), (49, 581199), (147, 193733), (151, 188601), (453, 62867), (1057, 26943), (1283, 22197), (3171, 8981), (3849, 7399)]