2178165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 3902976

約数和(自身を除く): 1724811

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 307, 473, 645, 921, 1419, 1535, 2365, 3377, 4605, 7095, 10131, 13201, 16885, 39603, 50655, 66005, 145211, 198015, 435633, 726055, 2178165]

約数ペア:

[(1, 2178165), (3, 726055), (5, 435633), (11, 198015), (15, 145211), (33, 66005), (43, 50655), (55, 39603), (129, 16885), (165, 13201), (215, 10131), (307, 7095), (473, 4605), (645, 3377), (921, 2365), (1419, 1535)]