201269691

素因数分解:

$3^4\times 7^1\times {\mathrm{354973}}^1$

素因数の和:354992

約数の個数: 20

約数和(自身を含む): 343614832

約数和(自身を除く): 142345141

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354973, 1064919, 2484811, 3194757, 7454433, 9584271, 22363299, 28752813, 67089897, 201269691]

約数ペア:

[(1, 201269691), (3, 67089897), (7, 28752813), (9, 22363299), (21, 9584271), (27, 7454433), (63, 3194757), (81, 2484811), (189, 1064919), (567, 354973)]