28402791

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 40353264

約数和(自身を除く): 11950473

約数列:

[1, 3, 37, 41, 79, 111, 123, 237, 1517, 2923, 3239, 4551, 6241, 8769, 9717, 18723, 119843, 230917, 255881, 359529, 692751, 767643, 9467597, 28402791]

約数ペア:

[(1, 28402791), (3, 9467597), (37, 767643), (41, 692751), (79, 359529), (111, 255881), (123, 230917), (237, 119843), (1517, 18723), (2923, 9717), (3239, 8769), (4551, 6241)]