31815747

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{2297}}^1$

素因数の和:2334

約数の個数: 28

約数和(自身を含む): 50234280

約数和(自身を除く): 18418533

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2297, 4617, 6891, 13851, 20673, 43643, 62019, 130929, 186057, 392787, 558171, 1178361, 1674513, 3535083, 10605249, 31815747]

約数ペア:

[(1, 31815747), (3, 10605249), (9, 3535083), (19, 1674513), (27, 1178361), (57, 558171), (81, 392787), (171, 186057), (243, 130929), (513, 62019), (729, 43643), (1539, 20673), (2297, 13851), (4617, 6891)]