28244979

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9539}}^1$

素因数の和:9599

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 19378701

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 9539, 28617, 66773, 85851, 200319, 448333, 600957, 1344999, 3138331, 4034997, 9414993, 28244979]

約数ペア:

[(1, 28244979), (3, 9414993), (7, 4034997), (9, 3138331), (21, 1344999), (47, 600957), (63, 448333), (141, 200319), (329, 85851), (423, 66773), (987, 28617), (2961, 9539)]