28050375

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 47114496

約数和(自身を除く): 19064121

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 571, 655, 1713, 1965, 2855, 3275, 8565, 9825, 14275, 16375, 42825, 49125, 71375, 74801, 214125, 224403, 374005, 1122015, 1870025, 5610075, 9350125, 28050375]

約数ペア:

[(1, 28050375), (3, 9350125), (5, 5610075), (15, 1870025), (25, 1122015), (75, 374005), (125, 224403), (131, 214125), (375, 74801), (393, 71375), (571, 49125), (655, 42825), (1713, 16375), (1965, 14275), (2855, 9825), (3275, 8565)]