28475955

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 24988365

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 1019, 1035, 1215, 1863, 3057, 3105, 5095, 5589, 9171, 9315, 15285, 23437, 27513, 27945, 45855, 70311, 82539, 117185, 137565, 210933, 247617, 351555, 412695, 632799, 1054665, 1238085, 1898397, 3163995, 5695191, 9491985, 28475955]

約数ペア:

[(1, 28475955), (3, 9491985), (5, 5695191), (9, 3163995), (15, 1898397), (23, 1238085), (27, 1054665), (45, 632799), (69, 412695), (81, 351555), (115, 247617), (135, 210933), (207, 137565), (243, 117185), (345, 82539), (405, 70311), (621, 45855), (1019, 27945), (1035, 27513), (1215, 23437), (1863, 15285), (3057, 9315), (3105, 9171), (5095, 5589)]