2138895801

素因数分解:

$3^4\times 7^1\times {\mathrm{3772303}}^1$

素因数の和:3772322

約数の個数: 20

約数和(自身を含む): 3651590272

約数和(自身を除く): 1512694471

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3772303, 11316909, 26406121, 33950727, 79218363, 101852181, 237655089, 305556543, 712965267, 2138895801]

約数ペア:

[(1, 2138895801), (3, 712965267), (7, 305556543), (9, 237655089), (21, 101852181), (27, 79218363), (63, 33950727), (81, 26406121), (189, 11316909), (567, 3772303)]