16988397

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 23485440

約数和(自身を除く): 6497043

約数列:

[1, 3, 43, 79, 129, 237, 1667, 3397, 5001, 10191, 71681, 131693, 215043, 395079, 5662799, 16988397]

約数ペア:

[(1, 16988397), (3, 5662799), (43, 395079), (79, 215043), (129, 131693), (237, 71681), (1667, 10191), (3397, 5001)]