28565415

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20477}}^1$

素因数の和:20519

約数の個数: 24

約数和(自身を含む): 51113088

約数和(自身を除く): 22547673

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 20477, 61431, 102385, 184293, 307155, 634787, 921465, 1904361, 3173935, 5713083, 9521805, 28565415]

約数ペア:

[(1, 28565415), (3, 9521805), (5, 5713083), (9, 3173935), (15, 1904361), (31, 921465), (45, 634787), (93, 307155), (155, 184293), (279, 102385), (465, 61431), (1395, 20477)]