27768195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6812

約数の個数: 48

約数和(自身を含む): 59247552

約数和(自身を除く): 31479357

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6781, 20343, 33905, 47467, 61029, 88153, 101715, 142401, 237335, 264459, 305145, 427203, 440765, 617071, 712005, 793377, 1322295, 1851213, 2136015, 3085355, 3966885, 5553639, 9256065, 27768195]

約数ペア:

[(1, 27768195), (3, 9256065), (5, 5553639), (7, 3966885), (9, 3085355), (13, 2136015), (15, 1851213), (21, 1322295), (35, 793377), (39, 712005), (45, 617071), (63, 440765), (65, 427203), (91, 305145), (105, 264459), (117, 237335), (195, 142401), (273, 101715), (315, 88153), (455, 61029), (585, 47467), (819, 33905), (1365, 20343), (4095, 6781)]