210955941

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{65657}}^1$

素因数の和:65690

約数の個数: 32

約数和(自身を含む): 378190080

約数和(自身を除く): 167234139

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 65657, 196971, 459599, 590913, 1116169, 1378797, 1772739, 3348507, 4136391, 7813183, 10045521, 12409173, 23439549, 30136563, 70318647, 210955941]

約数ペア:

[(1, 210955941), (3, 70318647), (7, 30136563), (9, 23439549), (17, 12409173), (21, 10045521), (27, 7813183), (51, 4136391), (63, 3348507), (119, 1772739), (153, 1378797), (189, 1116169), (357, 590913), (459, 459599), (1071, 196971), (3213, 65657)]