215628561

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{156593}}^1$

素因数の和:156622

約数の個数: 20

約数和(自身を含む): 341061732

約数和(自身を除く): 125433171

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 156593, 469779, 1409337, 2662081, 4228011, 7986243, 12684033, 23958729, 71876187, 215628561]

約数ペア:

[(1, 215628561), (3, 71876187), (9, 23958729), (17, 12684033), (27, 7986243), (51, 4228011), (81, 2662081), (153, 1409337), (459, 469779), (1377, 156593)]