28742223

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{1487}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 40711680

約数和(自身を除く): 11969457

約数列:

[1, 3, 17, 51, 379, 1137, 1487, 4461, 6443, 19329, 25279, 75837, 563573, 1690719, 9580741, 28742223]

約数ペア:

[(1, 28742223), (3, 9580741), (17, 1690719), (51, 563573), (379, 75837), (1137, 25279), (1487, 19329), (4461, 6443)]