217844403

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1447}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 340291584

約数和(自身を除く): 122447181

約数列:

[1, 3, 7, 21, 67, 107, 201, 321, 469, 749, 1407, 1447, 2247, 4341, 7169, 10129, 21507, 30387, 50183, 96949, 150549, 154829, 290847, 464487, 678643, 1083803, 2035929, 3251409, 10373543, 31120629, 72614801, 217844403]

約数ペア:

[(1, 217844403), (3, 72614801), (7, 31120629), (21, 10373543), (67, 3251409), (107, 2035929), (201, 1083803), (321, 678643), (469, 464487), (749, 290847), (1407, 154829), (1447, 150549), (2247, 96949), (4341, 50183), (7169, 30387), (10129, 21507)]