201031551

素因数分解:

$3^4\times 7^1\times {\mathrm{354553}}^1$

素因数の和:354572

約数の個数: 20

約数和(自身を含む): 343208272

約数和(自身を除く): 142176721

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354553, 1063659, 2481871, 3190977, 7445613, 9572931, 22336839, 28718793, 67010517, 201031551]

約数ペア:

[(1, 201031551), (3, 67010517), (7, 28718793), (9, 22336839), (21, 9572931), (27, 7445613), (63, 3190977), (81, 2481871), (189, 1063659), (567, 354553)]