199976709

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{6337}}^1$

素因数の和:6564

約数の個数: 16

約数和(自身を含む): 272381888

約数和(自身を除く): 72405179

約数列:

[1, 3, 67, 157, 201, 471, 6337, 10519, 19011, 31557, 424579, 994909, 1273737, 2984727, 66658903, 199976709]

約数ペア:

[(1, 199976709), (3, 66658903), (67, 2984727), (157, 1273737), (201, 994909), (471, 424579), (6337, 31557), (10519, 19011)]