28874139

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2243}}^1$

素因数の和:2866

約数の個数: 16

約数和(自身を含む): 44090112

約数和(自身を除く): 15215973

約数列:

[1, 3, 7, 21, 613, 1839, 2243, 4291, 6729, 12873, 15701, 47103, 1374959, 4124877, 9624713, 28874139]

約数ペア:

[(1, 28874139), (3, 9624713), (7, 4124877), (21, 1374959), (613, 47103), (1839, 15701), (2243, 12873), (4291, 6729)]