81530442

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215689}}^1$

素因数の和:215707

約数の個数: 32

約数和(自身を含む): 207062400

約数和(自身を除く): 125531958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215689, 431378, 647067, 1294134, 1509823, 1941201, 3019646, 3882402, 4529469, 5823603, 9058938, 11647206, 13588407, 27176814, 40765221, 81530442]

約数ペア:

[(1, 81530442), (2, 40765221), (3, 27176814), (6, 13588407), (7, 11647206), (9, 9058938), (14, 5823603), (18, 4529469), (21, 3882402), (27, 3019646), (42, 1941201), (54, 1509823), (63, 1294134), (126, 647067), (189, 431378), (378, 215689)]