1878563745

素因数分解:

$3^6\times 5^1\times {\mathrm{515381}}^1$

素因数の和:515404

約数の個数: 28

約数和(自身を含む): 3379875156

約数和(自身を除く): 1501311411

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 515381, 1546143, 2576905, 4638429, 7730715, 13915287, 23192145, 41745861, 69576435, 125237583, 208729305, 375712749, 626187915, 1878563745]

約数ペア:

[(1, 1878563745), (3, 626187915), (5, 375712749), (9, 208729305), (15, 125237583), (27, 69576435), (45, 41745861), (81, 23192145), (135, 13915287), (243, 7730715), (405, 4638429), (729, 2576905), (1215, 1546143), (3645, 515381)]