221355793

素因数分解:

${\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 244892672

約数和(自身を除く): 23536879

約数列:

[1, 17, 37, 127, 163, 289, 629, 2159, 2771, 4699, 6031, 10693, 20701, 36703, 47107, 79883, 102527, 351917, 765937, 1358011, 1742959, 5982589, 13020929, 221355793]

約数ペア:

[(1, 221355793), (17, 13020929), (37, 5982589), (127, 1742959), (163, 1358011), (289, 765937), (629, 351917), (2159, 102527), (2771, 79883), (4699, 47107), (6031, 36703), (10693, 20701)]