28968891

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1621}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 47336448

約数和(自身を除く): 18367557

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1621, 2553, 4863, 5957, 11347, 17871, 34041, 37283, 59977, 111849, 179931, 260981, 419839, 782943, 1259517, 1379471, 4138413, 9656297, 28968891]

約数ペア:

[(1, 28968891), (3, 9656297), (7, 4138413), (21, 1379471), (23, 1259517), (37, 782943), (69, 419839), (111, 260981), (161, 179931), (259, 111849), (483, 59977), (777, 37283), (851, 34041), (1621, 17871), (2553, 11347), (4863, 5957)]