1938195

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{293}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 4021920

約数和(自身を除く): 2083725

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 293, 315, 441, 735, 879, 945, 1323, 1465, 2051, 2205, 2637, 4395, 6153, 6615, 7911, 10255, 13185, 14357, 18459, 30765, 39555, 43071, 55377, 71785, 92295, 129213, 215355, 276885, 387639, 646065, 1938195]

約数ペア:

[(1, 1938195), (3, 646065), (5, 387639), (7, 276885), (9, 215355), (15, 129213), (21, 92295), (27, 71785), (35, 55377), (45, 43071), (49, 39555), (63, 30765), (105, 18459), (135, 14357), (147, 13185), (189, 10255), (245, 7911), (293, 6615), (315, 6153), (441, 4395), (735, 2637), (879, 2205), (945, 2051), (1323, 1465)]