71968905

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10453}}^1$

素因数の和:10487

約数の個数: 40

約数和(自身を含む): 136612872

約数和(自身を除く): 64643967

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 10453, 31359, 52265, 94077, 156795, 177701, 282231, 470385, 533103, 846693, 888505, 1411155, 1599309, 2665515, 4233465, 4797927, 7996545, 14393781, 23989635, 71968905]

約数ペア:

[(1, 71968905), (3, 23989635), (5, 14393781), (9, 7996545), (15, 4797927), (17, 4233465), (27, 2665515), (45, 1599309), (51, 1411155), (81, 888505), (85, 846693), (135, 533103), (153, 470385), (255, 282231), (405, 177701), (459, 156795), (765, 94077), (1377, 52265), (2295, 31359), (6885, 10453)]