13771395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 26687232

約数和(自身を除く): 12915837

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 647, 1419, 1935, 1941, 2365, 3235, 4257, 5823, 7095, 7117, 9705, 21285, 21351, 27821, 29115, 35585, 64053, 83463, 106755, 139105, 250389, 306031, 320265, 417315, 918093, 1251945, 1530155, 2754279, 4590465, 13771395]

約数ペア:

[(1, 13771395), (3, 4590465), (5, 2754279), (9, 1530155), (11, 1251945), (15, 918093), (33, 417315), (43, 320265), (45, 306031), (55, 250389), (99, 139105), (129, 106755), (165, 83463), (215, 64053), (387, 35585), (473, 29115), (495, 27821), (645, 21351), (647, 21285), (1419, 9705), (1935, 7117), (1941, 7095), (2365, 5823), (3235, 4257)]