28427497

素因数分解:

$7^3\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1325

約数の個数: 16

約数和(自身を含む): 33673600

約数和(自身を除く): 5246103

約数列:

[1, 7, 49, 67, 343, 469, 1237, 3283, 8659, 22981, 60613, 82879, 424291, 580153, 4061071, 28427497]

約数ペア:

[(1, 28427497), (7, 4061071), (49, 580153), (67, 424291), (343, 82879), (469, 60613), (1237, 22981), (3283, 8659)]