28097937

素因数分解:

$3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 46522944

約数和(自身を除く): 18425007

約数列:

[1, 3, 7, 9, 21, 63, 653, 683, 1959, 2049, 4571, 4781, 5877, 6147, 13713, 14343, 41139, 43029, 445999, 1337997, 3121993, 4013991, 9365979, 28097937]

約数ペア:

[(1, 28097937), (3, 9365979), (7, 4013991), (9, 3121993), (21, 1337997), (63, 445999), (653, 43029), (683, 41139), (1959, 14343), (2049, 13713), (4571, 6147), (4781, 5877)]