61990245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27011}}^1$

素因数の和:27042

約数の個数: 32

約数和(自身を含む): 116691840

約数和(自身を除く): 54701595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 27011, 81033, 135055, 243099, 405165, 459187, 729297, 1215495, 1377561, 2295935, 3646485, 4132683, 6887805, 12398049, 20663415, 61990245]

約数ペア:

[(1, 61990245), (3, 20663415), (5, 12398049), (9, 6887805), (15, 4132683), (17, 3646485), (27, 2295935), (45, 1377561), (51, 1215495), (85, 729297), (135, 459187), (153, 405165), (255, 243099), (459, 135055), (765, 81033), (2295, 27011)]