2741895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 5285280

約数和(自身を除く): 2543385

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 109, 117, 129, 195, 215, 327, 387, 545, 559, 585, 645, 981, 1417, 1635, 1677, 1935, 2795, 4251, 4687, 4905, 5031, 7085, 8385, 12753, 14061, 21255, 23435, 25155, 42183, 60931, 63765, 70305, 182793, 210915, 304655, 548379, 913965, 2741895]

約数ペア:

[(1, 2741895), (3, 913965), (5, 548379), (9, 304655), (13, 210915), (15, 182793), (39, 70305), (43, 63765), (45, 60931), (65, 42183), (109, 25155), (117, 23435), (129, 21255), (195, 14061), (215, 12753), (327, 8385), (387, 7085), (545, 5031), (559, 4905), (585, 4687), (645, 4251), (981, 2795), (1417, 1935), (1635, 1677)]