2105201745

素因数分解:

$3^4\times 5^1\times {\mathrm{5198029}}^1$

素因数の和:5198046

約数の個数: 20

約数和(自身を含む): 3773769780

約数和(自身を除く): 1668568035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5198029, 15594087, 25990145, 46782261, 77970435, 140346783, 233911305, 421040349, 701733915, 2105201745]

約数ペア:

[(1, 2105201745), (3, 701733915), (5, 421040349), (9, 233911305), (15, 140346783), (27, 77970435), (45, 46782261), (81, 25990145), (135, 15594087), (405, 5198029)]