688492041

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 963072000

約数和(自身を除く): 274579959

約数列:

[1, 3, 37, 71, 111, 199, 213, 439, 597, 1317, 2627, 7363, 7881, 14129, 16243, 22089, 31169, 42387, 48729, 87361, 93507, 262083, 522773, 1153253, 1568319, 3232357, 3459759, 6202631, 9697071, 18607893, 229497347, 688492041]

約数ペア:

[(1, 688492041), (3, 229497347), (37, 18607893), (71, 9697071), (111, 6202631), (199, 3459759), (213, 3232357), (439, 1568319), (597, 1153253), (1317, 522773), (2627, 262083), (7363, 93507), (7881, 87361), (14129, 48729), (16243, 42387), (22089, 31169)]