81139950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{180311}}^1$

素因数の和:180329

約数の個数: 36

約数和(自身を含む): 217997208

約数和(自身を除く): 136857258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 180311, 360622, 540933, 901555, 1081866, 1622799, 1803110, 2704665, 3245598, 4507775, 5409330, 8113995, 9015550, 13523325, 16227990, 27046650, 40569975, 81139950]

約数ペア:

[(1, 81139950), (2, 40569975), (3, 27046650), (5, 16227990), (6, 13523325), (9, 9015550), (10, 8113995), (15, 5409330), (18, 4507775), (25, 3245598), (30, 2704665), (45, 1803110), (50, 1622799), (75, 1081866), (90, 901555), (150, 540933), (225, 360622), (450, 180311)]