28717143

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 48416256

約数和(自身を除く): 19699113

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 2843, 3367, 8529, 10101, 19901, 36959, 59703, 105191, 110877, 258713, 315573, 736337, 776139, 1367483, 2209011, 4102449, 9572381, 28717143]

約数ペア:

[(1, 28717143), (3, 9572381), (7, 4102449), (13, 2209011), (21, 1367483), (37, 776139), (39, 736337), (91, 315573), (111, 258713), (259, 110877), (273, 105191), (481, 59703), (777, 36959), (1443, 19901), (2843, 10101), (3367, 8529)]