209896127

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 51377473

約数列:

[1, 7, 17, 79, 83, 119, 269, 553, 581, 1343, 1411, 1883, 4573, 6557, 9401, 9877, 21251, 22327, 32011, 45899, 111469, 148757, 156289, 361267, 379559, 780283, 1763833, 2528869, 2656913, 12346831, 29985161, 209896127]

約数ペア:

[(1, 209896127), (7, 29985161), (17, 12346831), (79, 2656913), (83, 2528869), (119, 1763833), (269, 780283), (553, 379559), (581, 361267), (1343, 156289), (1411, 148757), (1883, 111469), (4573, 45899), (6557, 32011), (9401, 22327), (9877, 21251)]