221657545

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{3389}}^1$

素因数の和:3624

約数の個数: 16

約数和(自身を含む): 270766080

約数和(自身を除く): 49108535

約数列:

[1, 5, 103, 127, 515, 635, 3389, 13081, 16945, 65405, 349067, 430403, 1745335, 2152015, 44331509, 221657545]

約数ペア:

[(1, 221657545), (5, 44331509), (103, 2152015), (127, 1745335), (515, 430403), (635, 349067), (3389, 65405), (13081, 16945)]