20071331

素因数分解:

$7^3\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:543

約数の個数: 16

約数和(自身を含む): 23616000

約数和(自身を除く): 3544669

約数列:

[1, 7, 49, 163, 343, 359, 1141, 2513, 7987, 17591, 55909, 58517, 123137, 409619, 2867333, 20071331]

約数ペア:

[(1, 20071331), (7, 2867333), (49, 409619), (163, 123137), (343, 58517), (359, 55909), (1141, 17591), (2513, 7987)]