13663971

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9923}}^1$

素因数の和:9952

約数の個数: 20

約数和(自身を含む): 21614472

約数和(自身を除く): 7950501

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9923, 29769, 89307, 168691, 267921, 506073, 803763, 1518219, 4554657, 13663971]

約数ペア:

[(1, 13663971), (3, 4554657), (9, 1518219), (17, 803763), (27, 506073), (51, 267921), (81, 168691), (153, 89307), (459, 29769), (1377, 9923)]