27538215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1367}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 19739865

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 1367, 4029, 4101, 6715, 6835, 20145, 20505, 23239, 69717, 107993, 116195, 323979, 348585, 539965, 1619895, 1835881, 5507643, 9179405, 27538215]

約数ペア:

[(1, 27538215), (3, 9179405), (5, 5507643), (15, 1835881), (17, 1619895), (51, 539965), (79, 348585), (85, 323979), (237, 116195), (255, 107993), (395, 69717), (1185, 23239), (1343, 20505), (1367, 20145), (4029, 6835), (4101, 6715)]